Find the perimeter of the figure.
A. 1313 yards
B.
C.
D.
Answer: D
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Let x represent the number. Write the English phrase as an algebraic expression.Nine times the sum of a number and -2.
A. 9(x + (-2)) B. 9x - (-2) C. 9x + (-2) D. 9+ x + (-2)
Solve the problem.A wild animal preserve can support no more than 120 elephants. 48 elephants were known to be in the preserve in 1980. Assume that the rate of growth of the population is = 0.0003P(120 - P)where t is time in years. Find a formula for the elephant population in terms of t. Let 1980 correspond to
A. P =
B. P =
C. P =
D. P =
Evaluate the function.The graph of y = f(x) is shown below. Find f(-1)
A. -1 B. 1 C. 7 D. 4
Convert the rectangular equation to a polar equation that expresses r in terms of ?.y2 = 3x
A. r = 3 cot2 x B. r = 3 cot x cscx C. r = 9 cot x cscx D. r2(cos ? + sin ?) = 3