Express the function, f, in simplified form. Assume that x can be any real number.f(x) = 
A. f(x) = 
B. f(x) = (x + 2)
C. f(x) = 
D. f(x) = x
Answer: C
Mathematics
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Decide whether the given functions are inverses.f = {(3, 16), (4, 24), (5, 32), (6, 40), (7, 48)}g = {16, 3), (24, 4), (32, 5), (40, 6), (48, 7)}
A. Yes B. No
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 14x - 10y = -25
A. (h, k) = (-7, -5); r = 49 B. (h, k) = (-5, -7); r = 49 C. (h, k) = (5, 7); r = 7 D. (h, k) = (7, 5); r = 7
Mathematics
Solve.A partial map of a state in a road atlas covers a square area of 16,900 square miles. What is the length of each side of the square area?
A. 13 mi B. 169 mi C. 4225 mi D. 130 mi
Mathematics
Solve.819 = 202 + x
A. 627 B. 607 C. 617 D. 623
Mathematics