Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = x3 + 4x2 - 3x - 12
A. 4 (rational), 
(irrational), and -
(irrational)
B. -4 (rational), 3 (rational), and -3 (rational)
C. -4 (rational), 2
(irrational), and -2
(irrational)
D. -4 (rational), 
(irrational), and -
(irrational)
Answer: D
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Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. - 
+ 
i
B. 
i
C. - 
- 
i
D. - 
Let x be a number. Translate the English phrase or sentence into a mathematical expression. The quotient of -46 and a number
A. x - 46
B. 46 - x
C. 
D. 
Write the sample space for the experiment. A researcher is interested to know which sports college students enjoy watching. Students are asked to rank football, basketball, and soccer in order of preference.
A. S = {(football, basketball), (football, soccer), (basketball, football), (basketball, soccer), 
(soccer, football)}
B. S = {(football, basketball, soccer), (football, soccer, basketball), (basketball, football, soccer), (basketball, soccer, football), (soccer, basketball, football), (soccer, football, basketball)}
C. S = {(football, basketball, soccer), (basketball, football, soccer), (soccer, basketball, football)}
D. S = {football, basketball, soccer}
Use the definite integral to find the area between the x-axis and f(x) over the indicated interval.f(x) = -x2 + 9; [0, 5]
A. 
B. 
C. 
D. 