Find the inverse of the function.f(x) = -5x
A. f-1(x) = - 
B. f-1(x) = 5 + x
C. f-1(x) = - 
D. f-1(x) = 5x
Answer: C
Mathematics
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Solve the problem.The figure shown here shows a rectangle inscribed in an isosceles right triangle whose hypotenuse is 8 units long. Express the area A of the rectangle in terms of x.
A. A(x) = 2x(x - 4) B. A(x) = 2x2 C. A(x) = 2x(4 - x) D. A(x) = x(4 - x)
Mathematics
Use a sum or difference identity to find the exact value.
A. 
B. 
C. 
D. 
Mathematics
Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.g[f(4)]
A. 148 B. 2983 C. 765 D. 37
Mathematics
Factor completely.100x2 + 160x + 64
A. 4(25x + 16)2 B. 4(5x + 4)2 C. 4(5x - 4)2 D. 4(5x + 4)(5x - 4)
Mathematics