Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = -x2 + 19x - 90
A. y-intercept (0, -9)
B. y-intercept (0, 90)
C. y-intercept (0, 9)
D. y-intercept (0, -90)
Answer: D
Mathematics
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Decide whether the statement makes sense. Explain your reasoning.I drew a Venn diagram for two sets, and I only used one circle.
What will be an ideal response?
Mathematics
Find the product or quotient.
? 
A. 15x
B. 
C. 
D. 
Mathematics
The pictograph shows the number of bicycles sold at Mountain Biking Mania for a 7-week period. 
What was the total number of bicycles sold in this 7-week period?
A. 530 bicycles B. 520 bicycles C. 545 bicycles D. 535 bicycles
Mathematics
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Maximizez = 3x1 + 2x2subject to:x1 + x2 ? 14 2x1 + x2 ? 28 x1 ? 0, x2 ? 0
A.
| Minimize | w = 28y1 + 14y2 |
| subject to: | 2y1 + y2 ? 3 |
B.
| Minimize | w = 14y1 + 28y2 |
| subject to: | y1 + 2y2 ? 3 |
C.
| Minimize | w = 28y1 + 14y2 |
| subject to: | 2y1+ y2 ? 3 |
D.
| Minimize | w = 14y1 + 28y2 |
| subject to: | y1 + 2y2 ? 3 |
Mathematics