Find the y-intercept.f(x) = x2 + 4x - 7
A. -7
B. 4
C. -12
D. 7
Answer: A
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Provide an appropriate response.Which function has no horizontal asymptote? Why? a. f(x) = 
b. f(x) = 
c. f(x) = 
d. f(x)
= 
A. d. The numerator is never equal to 0.
B. b. The degree of the numerator is greater than the degree of the denominator.
C. c. The degree of the numerator is less than the degree of the denominator.
D. a. The degree of the numerator is equal to the degree of the denominator.
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 
C. 1
D. 
Determine the value or values that are excluded from the following expression.
A. -6 B. 6 C. 0 D. none
Use mathematical induction to prove the statement is true for all positive integers n.3 + 3 ? 
+ 3 ? 
2 + ... + 3 ? 
n-1 = 
What will be an ideal response?