Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = -2x2 + 6x - 5
A. D: all real numbers; R: (y ? -0.5)
B. D: (x ? 1.5), R: all real numbers
C. D: (x ? 1.5), R: (y ? -5)
D. D: all real numbers; R: (y ? -0.5)
Answer: A
Mathematics
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Evaluate the expression.
3
A. 3
B. 
C. 
D. 
Mathematics
Solve for the missing values. Round money to the nearest cent, rate to the nearest tenth of a percent, and time to the nearest day.Principal: $60,391Interest: $8620Rate: 13.7%Time: 
daysMaturity value: 
A. 354 days; $69,111 B. 375 days; $69,011 C. 376 days; $69,111 D. 410 days; $690,110
Mathematics
Solve.2(x + 5) + 9 = 4(x + 3) + 11
A. 8 B. 12 C. 4 D. -2
Mathematics
Perform the indicated arithmetic.-3
- 3
A. -6
B. 7
C. -7
D. -6
Mathematics