Answer:
Step-by-step explanation:
<u>Given function:</u>
- f(x) = -x² + bx - 65 with maximum value of 35
<u>To find </u>
<u>Solution:</u>
Maximum value is obtained at vertex as a < 0
<u>Vertex coordinate of x is:</u>
- x = -b/2a = -b / -2 = 1/2b
<u>Solving for b:</u>
- 35 = - (1/2b)² + b(1/2b) - 65
- - 1/4b² + 1/2b² = 100
- 1/4b² = 100
- b² = 400
- b = √400
- b = ± 20
See attached
Answer:30x+30y+30
Step-by-step explanation:
30(x + y + 1)
Answer:
jabrill
Step-by-step explanation:
42 dived by 3 = 14
78 dived by 4=13
Answer is B.) (-3,-3) and (2,7)
8*(6-4+2)
8*4
32
(8-6)*4*2
2*4*2
8*2
16
Again, remember to play around with the parentheses and think of possible ways for the numbers to reasonable multiply or divide into the desired solution.
Good luck!