Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = x2 + x + 8
A. D: all real numbers; R: (y ? 7.75)
B. D: all real numbers; R: (y ? -7.75)
C. D: (x ? 0), R: (y ? 0)
D. D: all real numbers; R: (y ? 7.75)
Answer: A
Mathematics
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Subtract and simplify. Write the answer as a mixed number as needed.11 - 4
A. 7
B. 7
C. 10
D. 6
Mathematics
Solve the equation.
= x + 7
A. -8 B. 7 C. 8 D. -7
Mathematics
Multiply or divide as indicated. Make sure that your answer is reasonable by estimating first. 3.1 × 1.5
A. 4.761 B. 4.75 C. 4.65 D. 4.76
Mathematics
Find the x- and y-intercepts for the equation. Then graph the equation.6x - 18y = 36
A. x-intercept: (6, 0), y-intercept: (0, -2)
B. x-intercept: (-6, 0), y-intercept: (0, -2)
C. x-intercept: (-6, 0), y-intercept: (0, -2)
D. x-intercept: (-6, 0), y-intercept: (0, -2)
Mathematics