Find the amplitude or period as requested.Find the period of y = -5 cos 
.
A. 5
B. 
C. 
D. ?
Answer: B
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 5x + 9; f '(2)
A. f '(x) = 0; f '(2) = 0 B. f '(x) = 9; f '(2) = 9 C. f '(x) = 5x; f '(2) = 10 D. f '(x) = 5; f '(2) = 5
Mathematics
Solve the problem.The formula P = 0.35x - 73 models the profit, P, in dollars, for a shoe shiner when he shines x pairs of shoes. Use the formula to find this shoe shiner's profit when he shines 600 pairs of shoes.
A. $137 B. -$69.50 C. $210 D. $527
Mathematics
Graph the equation.x = -2
A. 
B. 
C. 
D. 
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
1655
A. Correct B. Incorrect; should be 1765 C. Incorrect; should be 1665 D. Incorrect; should be 1565
Mathematics