Find the exact value of the expression.tan 75°
A. 
- 2
B. -
- 2
C. 
+ 2
D. -
+ 2
Answer: C
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's acceleration at time t.
A. a = - A
sin 
cm/sec2
B. a = - A sin 
cm/sec2
C. a = 
cos 
cm/sec2
D. a = - 
sin 
cm/sec2
Solve the problem.Draw a scatterplot of the given data. Find the equation of the line containing the points 
and 
. Graph the line on the scatterplot.
A. y = 0.41x + 0.47
B. y = 0.42x + 0.5
C. y = 0.35x + 0.6
D. y = 0.46x + 0.47
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Find f such that the given conditions are satisfied.f'(x) = x
, f(0) = 5
A. f(x) = 
+ 5
B. f(x) = 
+ 5
C. f(x) = 
+ 5
D. f(x) = 
+ 5