For the given f(x), find a formula for f'(a).f(x) = x2 - 7
A. f'(a) = 2a
B. f'(a) = -2a
C. f'(a) = a - 7
D. f'(a) = 2a - 7
Answer: A
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = sin-1(x2 + y2)
A. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0,0) and radii r, 0 < r ? 1
B. Domain: all points in the xy-plane; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
C. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at (0, 0)
D. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers - 
? z ? 
; level curves: circles with centers at (0, 0)
Evaluate the integral.
A. - 10
B. - 70
C. - 
D. - 
Find the slope of the line determined by the given equation and then sketch the line.3x - 5y = -6
A. slope = - 
B. slope = 
C. slope = - 
D. slope = 
Divide. Express your answer in simplest form.5
÷ 3
A. 1
B. 1
C. 2
D. 1