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In Problems 27–32, use Definition 1 to determine whether the functions
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Fundamentals of Differential Equations and Boundary Value Problems
- Section 11.6: Calculus of Vector-Valued Functions - #39arrow_forward? ? Determine which of the following pairs of functions are linearly independent. ✓ 1. f(x) = x³, g(x) = |x|³ ✓ 2. f(t) = 3t² + 21t, 3. f(x) = x², 4. f(x) = e³x, g(t) = 3t² − 21t g(x) = 4|x|² g(x) = µ³(x−3)arrow_forwardThe U.S. Department of Health and Human Services provides a summary of the number and rate of abortions for the period 1990–2006. Based on these data, the United States abortion rate (number of abortions per 1000 women) can be estimated by the linear function R(x) = −0.58x + 23.9 where x is the year since 1990 and R(x) is the abortion rate. (a) Based on this function, is the rate increasing or decreasing? The slope is , so the rate is . (b) Find the estimated abortion rate for 2007 and for 2017. 2007 abortions per 1000 women 2017 abortions per 1000 women (c) Estimate the year when the abortion rate will be 10. (Round your answer to the nearest year.)arrow_forward
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- In Problems 15–18, solve the inequality by using the graph of the function.arrow_forwardIn Problems 1 through 6, show directly that the given functions are linearly dependent on the real line. That is, find a non- trivial linear combination of the given functions that vanishes identically. 1. f(x) = 2x, g(x) = 3x², h(x) = 5x – 8x² 2. f(x) = 5, g(x) = 2 – 3x², h(x) = 10 + 15x2 3. f(x) = 0, g(x) = sin x, h(x) = e* 4. f(x) = 17, g(x) = 2 sin² x, h(x) = 3 cos? x 5. f(x) = 17, g(x) = cos² x, h(x) = cos 2x 6. f(x) = e*, g(x) = cosh x, h(x) = sinh x %3D %3Darrow_forward6. A flying robot is programed to follow the following three-dimensional position function while navigating an open space with no wind. The displacements in x, y, and z are measured in meters and t in seconds. x(t) = 0.0560t* – 1.200t² + 2.300t + 0.3400 y(t) = 0.6700t3 – 1.570t² z(t) = 0.2200t³ (a) At t = 1.44 s, what angle does the robot's velocity vector, v, make with its acceleration vector, å? Osarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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