Solve.Let f(x) = -8x + 4 and g(x) = 3x2 + 5. Find f(7) + g(7) .
A. 95
B. 91
C. 96
D. 100
Answer: D
Mathematics
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Write the phrase as a variable expression. Use x to represent "a number."The total of 138 and a number
A. 138 - x B. 138 C. 138x D. 138 + x
Mathematics
Describe the given set of points with a single equation or with a pair of equations.The set of points equidistant from the points (0, 0, -7) and (0, 0, 1)
A. x + y = -3 B. z = -3 C. z > -7 and z < 1 D. x + y = 0 and -7 < z < 1
Mathematics
Solve the problem.Consider the rational inequality 
< 0. Without doing any work, give the solution set. (Hint: determine the sign of the numerator and denominator.)
A. ? B. (-?, ?) C. (5, 6) D. (5, ?)
Mathematics
Based on the graph, find the range of y = f(x).
A. [0, 8]
B. [0, ?)
C. [0, 
]
D. [0, 8)
Mathematics