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 = x4
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