Find the inverse of the function.f(x) = - 
A. f-1(x) = - 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = -5x
Answer: A
Mathematics
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Rationalize the denominator of the expression. Assume that all variables represent positive real numbers. 
A. 14
B. 2
C. 7
D. 2
Mathematics
Solve and check.9x = 72
A. x = 63 B. x = 8 C. x = -8 D. x = 648
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = 4x3 + 8
A. even B. odd C. neither
Mathematics
Determine the x- and y-intercepts of the graph of the quadratic equation.y = x2 + 4x
A. x-intercepts: 0, 4; y-intercept: 0 B. x-intercepts: 0, -4; y-intercept: none C. x-intercepts: 0, -4; y-intercept: 0 D. x-intercepts: 0, 4; y-intercept: none
Mathematics