Solve the equation.x2 + x + 4 = 0
A. 
± 
B. 
± 
i
C. - 
± 
i
D. - 
± 
Answer: C
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Write a system of two inequalities that describe the constraints in the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $6, takes up 5 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 8 square feet, and holds 14 cubic feet. He has only $66 to spend and the office has room for no more than 59 square feet of cabinets. Let x equal the number of cabinet A's bought and y equal the number of cabinet B's bought.
A. 6y + 8x ? 66, 5y + 8x ? 59 B. 7x + 14y ? 59, 59x + 66y ? 8 C. 6x + 8y ? 66, 5x + 8y ? 59 D. 7y + 14x ? 59, 59y + 66x ? 8
If m
= 37° and m
= 76° in 
, it follows that m
= 77°.
Answer the following statement true (T) or false (F)
Find the function value.Find f(k - 1) when f(x) = 5x2 + 2x - 6.
A. -8k2 + 5k - 3 B. 5k2 - 8k - 3 C. 5k2 - 28k + 1 D. 5k2 - 8k + 1
Use the properties of logarithms to simplify the expression.
?
?
A. 17
B. 0
C. 
D. -17
E. 