Express the interval in set-builder notation and graph the interval on a number line.[-3, 3)
A. {x }
B. {x }
C. {x }
D. {x }
Answer: C
Mathematics
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Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
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For the function, find the average rate of change of f from 1 to x: f(x) =
A.
B.
C.
D.
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Find the exact value of the expression, if possible. Do not use a calculator.cos-1
A. -
B.
C.
D.
Mathematics
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = -5x2 - 4x + 2
A. D: all real numbers; R: (y ? 2.8) B. D: all real numbers; R: (y ? 2.8) C. D: (x ? 0), R: all real numbers D. D: all real numbers; R: (y ? 1.2)
Mathematics