Solve the problem.What is the range of the cosine function?
A. all real numbers greater than or equal to 0
B. all real numbers from -1 to 1, inclusive
C. all real numbers greater than or equal to 1 or less than or equal to -1
D. all real numbers
Answer: B
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Find all critical points and find the minimum and maximum value of the function on the given domain.Domain: [-2, 3]
A. Critical points: - 
, - 
, 
, 
, 
; maximum value: 3; minimum value: 1
B. Critical points: -2, -1, 0, 1, 2, 3; maximum value: 3; minimum value: 1
C. Critical points: -1, 0, 1, 2; maximum value: 3; minimum value: 1
D. Critical points: 1, 3; maximum value: -1, 1, 3; minimum value: -2, 0, 2
Solve the equation.6p = 5(6p + 7)
A. 
B. 
C. 
D. - 
Add like terms, if possible, and write the result in descending powers of the variable.7x4 + 2x2 - 4x4
A. 5x10 B. 5x2 C. 3x4 + 2x2 D. Cannot be simplified
Write an algebraic expression for the specified quantity.Allison can clean the house in 6 hours working alone. Joel can do the job in 4 hours working alone. 
it takes Allison and Joel to clean the house working together. Write an algebraic expression in t for (i) the portion of the job completed by Allison in t hours; (ii) the portion of the job completed by Joel in t hours.
A. (i) Allison: 
t
(ii) Joel: 
t
B. (i) Allison: 
t
(ii) Joel: 
t
C. (i) Allison: 
t
(ii) Joel: 
t
D. (i) Allison: 
+ t
(ii) Joel: 
+ t