Find the intercepts of the function f(x).f(x) = 2x3 - x2 - 20x + 10
A. x-intercepts: -2, 
, - 
; y-intercept: 10
B. x-intercepts: 2, 
, -
; y-intercept: 10
C. x-intercepts: 
, 
, - 
; y-intercept: 10
D. x-intercepts: - 
, 
, - 
; y-intercept: 10
Answer: C
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Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. - 
C. - 
D. 
Sketch the graph and show all local extrema and inflection points.y = x
4
A. Local maximum: 
Local minimum: (10, 0)
Inflection point: 
B. Absolute maximum: 
Absolute minimum: (10, 0)
Inflection points: 
C. Local maximum: 
Local minimum: (10, 0)
Inflection points: 
, (10, 0)
D. Absolute minimum: (10, 0)
No inflection points
Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
D. 
= 
+ 
Convert the measure from degrees to radians. Write your answer as a decimal rounded to two decimal places.125.7°
A. 2.12 B. 2.20 C. 2.11 D. 2.19