Calculus can be used to find the slope of the line tangent to a curve. The slope of the tangent to the curve 
at 
is f'(a). Use f'(x) to find the slope of the tangent to 
at the given value of x.f'(x) = -x4 + 3x3 + 5x2 - 8x + 13 at x = 2
A. 31
B. -1
C. 25
D. 57
Answer: C
Mathematics
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Simplify.
3
A. 27y15
B. 
C. 
D. 
Mathematics
Round off the approximate number as indicated.0.09499 3 significant digits
A. 0.095 B. 0.0950 C. 0.09 D. 0.0949
Mathematics
Find the axis of symmetry of the graph of the parabola.f(x) = 
(x - 4)2 + 4
A. x = 5 B. x = 3 C. x = -4 D. x = 4
Mathematics
Find the area.
A. 672 yd2 B. 1344 yd2 C. 1152 yd2 D. 1248 yd2
Mathematics