Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.3431/3
A. - 
B. -7
C. 
D. 7
Answer: D
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Evaluate the function for the given values of a and b. Then use the intermediate value theorem to determine which of the statements below is true.a = -2 and b = -1f(x) = 5x4 + 6x3 - 8x - 10
A. f(-2 ) and f(-1) have the same sign, therefore the intermediate value theorem cannot be used to determine whether f has a real zero between -2 and -1. B. f(-2 ) and f(-1) have opposite signs, therefore f has a real zero between -2 and -1. C. f(-2 ) and f(-1) have opposite signs, therefore f does not have a real zero between -2 and -1. D. f(-2 ) and f(-1) have the same sign, therefore f does not have a real zero between -2 and -1.
Find the extreme values of the function and where they occur.f(x) = 
A. Absolute maximum is 6 at x = -2. B. Absolute maximum is 6 at x = 2. C. Absolute minimum is 0 at x = 1. D. Absolute minimum is 6 at x = 0.
Find the curvature of the curve r(t).r(t) = (10 + ln(sec t))i + (4 + t)k, -?/2 < t < ?/2
A. ? = -cos t B. ? = 1 - cos t C. ? = cos t D. ? = sin t
Tell whether or not the relation is a function.{(-3, -9), (-2, -9), (-1, 9), (5, 9)}
A. Yes B. No