Is the function graphed below one-to-one?
A. Yes
B. No
Answer: A
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Evaluate the integral.
dx
A. 
- ln
- 5 tan-1 x + ln(x2 + 1) + C
B. 
- ln 
+ 
ln(x2 + 1) + C
C. 
- 3 tan-1 x + 
ln(x2 + 1) + C
D. 
- ln
- 3 tan-1 x + 
ln(x2 + 1) + C
Translate the problem situation to a system of equations. Do not solve.Ricks Paint Store sells a special shade of pink paint (Ricky's Blush) which can be made from red paint and white paint. The amount of red paint should be three times the amount of white paint. How much of each kind of paint is needed to make 200 gallons of Ricky's Blush?
A. x + y = 200; x = 3y B. x - y = 200; x = 4y C. x - y = 200; x = 3y D. x + y = 200; x = 4y
Write a formula for the general term (the nth term) of the geometric sequence.- 
, 
, - 
, 
, . . .
A. an = - 
- 
(n - 1)
B. an = - 
n - 1
C. an = - 
n - 1
D. an = 
n - 1 + 
Simplify by using the distributive law and combining like terms.7x - (2x - 6) - (-7x + 1)
A. 16x + 5 B. 12x + 7 C. 12x - 7 D. 12x + 5