Compute the exact value of the function for the given x-value without using a calculator.f(x) = - 5 ? 3x for x = 1/3
A. - 5 
B. - 3 
C. - 5
D. 
Answer: A
Mathematics
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Find the derivative.y = sin3 x - cos 3x
A. 3 sin2 x cos x + 3 sin 3x B. 3 sin3 x cos x - 3 sin 3x C. 9 sin2 x cos x sin 3x D. 3 sin2 x + sin 3x
Mathematics
Factor the following by removing a negative common factor.-9x2 - 27x + 45
A. -9x(x - 3 + 5) B. -9(x2 - 3x + 5) C. -9(x2 + 3x - 5) D. -9(x2 - 3x)
Mathematics
Solve and check your solutions.
x = 0
A. x = 1 B. x = -7 C. x = 7 D. x = 0
Mathematics
Find the domain of the square root function. Then use the domain to choose the correct graph of the function.f(x) = 
A. domain of f: [-4, ?)
B. domain of f: (-?, 4]
C. domain of f: [4, ?)
D. domain of f: (-?, -4]
Mathematics