Perform the indicated operations.(-6x2 + 4) - (-x3 + 10x2 - 7)
A. x3 - 16x2 + 11
B. -5x3 + 10x2 + 11
C. -5x3 + 14x2 + 7
D. x3 + 4x2 - 3
Answer: A
Mathematics
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Given the function f, match the function g with a transformation of f.f(x) = x2 + 8, g(x) = 5x2 + 40
A. f(x + 5) B. 5f(x) C. f(x) + 5 D. f(5x)
Mathematics
Use an identity to write the expression as a single trigonometric function or as a single number.
A. cos 33° B. cot 33° C. tan 33° D. sin 33°
Mathematics
Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. x + y + z=-5 x - y + 4z=-134x + y + z=-2
A. {(1, -4, -2)} B. {(-4, 1, -2)} C. {(1, -2, -4)} D. {(-4, -2, 1)}
Mathematics
Write as a decimal.500%
A. 5 B. 50 C. 0.5 D. 5.01
Mathematics