The function 
represents the value of the U.S. dollar in Indian rupees as a function of the time t in days. Find the average rates of change of 
over the time intervals ![]()
data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__3.5_Derivatives_Numerical_and_Graphical_Viewpoints__media__021ddde2-b1ad-410e-b0b8-5762e2db41f7.PNG" style="vertical-align:middle;" />, where t is as indicated and 
, 
, 
, and 
days. Hence, estimate (using 
) the instantaneous rate of change of 
at time 
.
?
Select your answer rounded to the nearest whole number.
?
A. 63
B. 69
C. 64
D. 67
E. 68
Answer: D
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Multiply.44(-38)
A. -1772 B. -1716 C. -1672 D. -16,720
Solve the equation.
= 
A. - 
B. - 39
C. 6
D. 39
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 8, c = 17
A. b = 15 B. b = 9 C. b = 25 D. b = 225
Find the product.(x - 6)(5x - 2)
A. 5x2 - 32x - 32 B. 5x2 + 12x - 32 C. 5x2 - 34x + 12 D. 5x2 - 32x + 12