Differentiate.cos2(x + 4)Enter cosines before sines with parentheses around arguments.
What will be an ideal response?
-2 cos(x + 4) sin(x + 4)
Mathematics
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Find the product.(-4)(13)
A. -52 B. -48 C. -65 D. 48
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Find the average rate of change of the function over the given interval. f(x) = 4x2, 
A. - 
B. 7
C. 2
D. 
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Solve the problem.A corporation's bank account has $9508 in it when the treasurer writes checks for $4167, $1017, and $2611. Then deposits of $1235 and $362 are made. How much is in the account? Is it overdrawn?
A. -$15,706, yes B. $3310, no C. $15,706, no D. $5921, no
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Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 83? Round to the nearest hundredth of an hour.
A. 4.51 hr B. 101.05 hr C. 1.75 hr D. 17.50 hr
Mathematics