Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(x + 4)(x + 1) = 28
A. {-4, -1}
B. {1, 4}
C. {-3, 8}
D. {-8, 3}
Answer: D
Mathematics
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Write the expression in the form a + bi, where a and b are real numbers.-7 + 
A. 7 - 2i
B. -7 - 2i
C. 7 + 2i
D. -7 + 2i
Mathematics
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = 1 + 
B. f(x) = 1 - 
C. f(x) = 
- 1
D. f(x) = 1 - x
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 2x2 - 5, x ? 0
A. Not one-to-one
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Find 
(x).f(x) = 6x3 + 5x2 + 9x - 10; g(x) = -3x + 2
A. x2 + 3x + 5 B. -2x2 - 3x - 5 C. x2 - 3x - 5 D. -2x2 - 5
Mathematics