Find the derivative of the function and evaluate the derivative at the given x-value.f(x) = 1 - x3 at x = 1
A. f'(x) = 3x2 - 1; f'(1) = 2
B. f'(x) = -3x; f'(1) = -3
C. f'(x) = 1 - 3x; f'(1) = -2
D. f'(x) = -3x2; f'(1) = -3
Answer: D
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A. 35.7 in. B. 47.6 in. C. 23.8 in. D. 141.61 in.
Graph the quadratic equation. Identify the vertex and the intercepts.y = 2x2 + 6x - 1
A. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
B. Vertex: 
;
x-intercepts: 
,
;
y-intercept: (0, -1)
C. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
D. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
Solve the problem.A bank loaned out $56,000, part of it at the rate of 
per year and the rest at a rate of 
per year. If the interest received was $5730, how much was loaned at 
A. $26,000 B. $30,000 C. $25,000 D. $31,000
Perform the division.(x2 - 25) ÷ (x + 5)
A. x - 25 B. x + 25 C. x2 - 5 D. x - 5