Use the horizontal line test to determine if the function is one-to-one.
A. Yes
B. No
Answer: B
Mathematics
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Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 + 5x2 - 9x - 45
A. (x + 3)(x - 3)(x + 5) ; -3, 3, -5 B. (x - 3)(x + 3)(x - 5) ; -3, 3, -5 C. (x + 3)(x + 3)(x - 6) ; 3, -3, 6 D. (x - 3)(x + 3)(x - 5) ; 3, -3, 5
Mathematics
Solve the absolute value equation.|4x + 2| = 4
A. 
B. 
C. ?
D. 
Mathematics
Translate into an equation and solve. The sum of two numbers is twenty-seven. Five times the smaller is equal to four times the larger. Find the smaller number.
A) 19 B) 8 C) 10 D) 15 E) 12
Mathematics