Graph.f(x) = 4x2 + 2x + 2
A. 
B. 
C. 
D. 
Answer: A
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Use the definition to find an expression for the instantaneous acceleration of an object moving with rectilinear motion according to the given function. The instantaneous acceleration is defined as the instantaneous rate of change of the velocity with respect to time. v = 3t2 + 9t + 5[v is the velocity]
A. 3t + 9 B. 6t2 + 9t C. 6t + 9 D. 3t2 + 9
Write as a fraction or as a mixed number150%
A. 1
B. 15
C. 3
D. 
Solve the problem.A painting 1 meter high and 3 meters from the floor will cut off an angle ? to an observer, where 
assuming that the observer is x feet from the wall where the painting is displayed and that the eyes of the observer are 1.6 meters above the ground (see the figure). Find the value of ? for 
Round to the nearest tenth of a degree. 
A. 13.3° B. 15.8° C. 33.1° D. 18.3°
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logw
A. logw13 +logwx - logw2 B. logw13x -logw2 C. logw13 +logwx + logw2 D. logw11x