Concept explainers
For Exercises 25–34, use inductive reasoning to find a pattern for the answers. Then use the pattern to guess the result of the final calculation, and perform the operation to see if your answer is correct.
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Chapter 1 Solutions
Math in Our World
- Consider the following parametric equations, x=-4t, y=-7t+ 13; -10 sts 10. Complete parts (a) through (d) below. a. Make a brief table of values of t, x, and y t x(t) y(t) 10 -6 0 6 10 (Type integers or decimals.) ○ A. b. Plot the (x, y) pairs in the table and the complete parametric curve, indicating the positive orientation (the direction of increasing t). 130 G c. Eliminate the parameter to obtain an equation in x and y. d. Describe the curve. OA. A line segment falls from left to right as t increases OB. A line segment falls from right to left as t increases OC. A line segment rises from right to left as t increases OD. A line segment rises from left to right as t increasesarrow_forwardLet R be the region bounded by the following curves. Use the shell method to find the volume of the solid generated when R is revolved about the y-axis. -1 y=10 (1+10x) 1 y= 0, x = 0, and x=2 Set up the integral that gives the volume of the solid using the shell method. Use increasing limits of integration. Select the correct choice and fill in the answer boxes to complete your choice. (Type exact answers.) OA. S dx O B. dy The volume is (Type an exact answer.)arrow_forwardFind the slope of the line tangent to the following polar curve at the given point. r = 1 - sin 0; Find the slope of the line tangent to the polar curve at the given point. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. The slope of the line tangent to the polar curve at the point OB. The slope of the line tangent to the polar curve at the point (2) 1 元 (1) 6 is (Type an exact answer.) is undefined.arrow_forward
- Determine whether the following series converges. 4(-1)k Σ k=0 3k+6 Let a > 0 represent the magnitude of the terms of the given series. Select the correct choice below and fill in the answer box(es) to complete your choice. OA. The series diverges because ak is nonincreasing in magnitude for k greater than some index N and lim ak koo B. The series converges because ak is nondecreasing in magnitude for k greater than some index N. OC. The series converges because ak OD. The series diverges because a₁ = OE. The series converges because ak ak and for any index N. there are some values of k > N for which ak+1 ≥ak and some values of k > N for which ak+1 ≤ak- is nondecreasing in magnitude for k greater than some index N is nonincreasing in magnitude for k greater than some index N and lim ak K-00 OF. The series diverges because a₁ = and for any index N, there are some values of k > N for which ak+12 ak and some values of k > N for which ak+1 sak-arrow_forward1 × 1016 1 × 1041 = 1 × 10? = ? = product's exponent Part 2 (0.5 point) 1 × 1023 × 1 × 1021 × 1 × 1020 1 × 1015 × 1 × 1021 = 1 × 10? = ? = = product's exponentarrow_forwardK A differential equation and its direction field are given. Sketch a graph of the solution that results with each initial condition. 2 y'(t) = 2 y(-1)=-2 and y(-2) = -1 y +1 Which of the following shows the solution that results with the initial condition y(-1)=-2? O A. J +21 Which of the following shows the solution that results with the initial condition y(-2)=-1? ○ A. +2arrow_forward
- 4t Does the function y(t) = 6e satisfy the initial value problem y(t) - 4y(t) = 0, y(0)=5? Choose the correct answer. A. Yes, it satisfies the initial value problem. This is because it satisfies the differential equation OB. No, it does not satisfy the initial value problem. This is because it satisfies the differential equation but does not also satisfy the initial condition. OC. Yes, it satisfies the initial value problem. This is because it satisfies the initial condition. OD. No, it does not satisfy the initial value problem. This is because it does not satisfy the differential equation. OE. Yes, it satisfies the initial value problem. This is because it satisfies the differential equation and also satisfies the initial condition.arrow_forwardK Determine whether the following series converges. Justify your answer. 5 10k + k Σ 5 k=1 5k -2 5k-2 Select the correct choice below and fill in the answer box to complete your choice. (Type an exact answer.) OA. The series is a p-series with p= so the series diverges by the properties of a p-series. so the series converges by the Ratio Test. OB. The Ratio Test yields r = O C. The limit of the terms of the series is OD. The series is a p-series with p= so the series diverges by the Divergence Test. so the series converges by the properties of a p-series. OE. The series is a geometric series with common ratio so the series diverges by the properties of a geometric series. OF. The Root Test yields p = . so the series converges by the Root Test.arrow_forwardDetermine the area of the shaded region in the figure. The area of the shaded region is ☐ (Type an exact answer.) Ay x=y² - 12 X x=y/arrow_forward
- Determine the radius and interval of convergence of the following power series. 00 Σ (5x - 6) k=0 k! The radius of convergence is R = Select the correct choice and fill in the answer box to complete your choice. OA. The interval of convergence is (Simplify your answer. Type an exact answer. Type your answer in interval notation.) B. The interval of convergence is {x: x = } (Simplify your answer. Type an exact answer. Use a comma to separate answers as needed.)arrow_forwarda. Find the linear approximating polynomial for the following function centered at the given point a b. Find the quadratic approximating polynomial for the following function centered at the given point a c. Use the polynomials obtained in parts a. and b. to approximate the given quantity f(x) = 16x³/2, a = 9, approximate 16(9.7/2) a. P₁(x) = ☐ b. P₂(x)= c. Using the linear approximating polynomial to estimate, 16(9.73/2) is approximately (Simplify your answer.) Using the quadratic approximating polynomial to estimate, 16(9.73/2) is approximately ☐ (Simplify your answer.)arrow_forwardUse the Limit Comparison Test to determine convergence or divergence. Σ 8n²+n+1 4 n = 1 n²+6n²-3 Select the expression below that could be used for b in the Limit Comparison Test and fill in the value of the limit L in your choice. O bn 1 gives L = 2 n 1 ○ bn = gives L = n O bn = n gives L = Obn√√n gives L = Does the series converge or diverge? Choose the correct answer below. O Diverges O Convergesarrow_forward
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