Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.sin 2x + sin 4x = sin 5x
A. 0
B. 2?
C. ?
D. 
Answer: D
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Find the slowest growing and the fastest growing functions as 
y = x2 + 9xy = x2y = 
y = 8x2
A. Slowest: y = 
Fastest: y = x2 + 9x
B. They all grow at the same rate.
C. Slowest: y = 
Fastest: y = 8x2
D. Slowest: y = x2 and y = 8x2 grow at the same rate.
Fastest: y = 
Find the least common multiple (LCM) of the pair of numbers.7 and 21
A. 147 B. 7 C. 21 D. 28
Write a numerical expression for the phrase and simplify it.
more than the sum of - 
and 
A. 
+ 
; 
B. 
+ 
; 
C. 
+ 
; - 
D. 
+ 
; 
Divide the first polynomial by the second and state the quotient and the remainder.2x3 + 3x2 + 4x - 10, x + 1
A. Quotient: 2x2 + 5x + 9; remainder: 1 B. Quotient: 2x2 + x + 3; remainder: -13 C. Quotient: 2x2 + 5x + 9; remainder: -1 D. Quotient: 2x2 + x + 3; remainder: 13