Simplify. 33+ 5 ? 6 - (8 + 15 ? 3)
A. 94
B. 139
C. -12
D. 4
Answer: D
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Find the value of the function.Given f(x) = -
, find f(5).
A. -4 B. 5 C. 4 D. 9
Divide, if possible. If a quotient is undefined, state so.
A. -3 B. -2 C. -1 D. 2
Solve.The concentration of a certain gas molecule in the atmosphere serves as an indicator of industrial air pollution. The data in the following table show the relationship of the estimated concentration of the molecule in the atmosphere, in parts per billion (ppb), to the year.
Determine the linear, quadratic, or cubic function that best fits the data.
A. f(x) = 0.00001x3 - 0.003x2 + 0.14x + 2.16 B. f(x) = -0.003x2 + 0.12x + 2.19 C. f(x) = 0.002x + 2.90 D. f(x) = -0.002x2 + 0.12x + 2.19
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 5 B. x = -5 C. x = 0 D. none