Answer:
14.4
Step-by-step explanation:
Step-by-step explanation:
y = -2x² + 4x + 1
Complete the square.
y = -2 (x² − 2x) + 1
y = -2 (x² − 2x + 1) + 1 − (-2)(1)
y = -2 (x − 1)² + 3
The vertex is (1, 3). The leading coefficient is negative, so the vertex is a maximum.
Graph: desmos.com/calculator/qsih3rd8ev
Answer:
-2
Step-by-step explanation:
9w-36-7w=15w-10
2w-36=15w-10
-13w=26
w=26/(-13)
w=-2
Answer:5,000
Step-by-step explanation:
Ok well first let's add his two earnings. 21 + 34= 55.
Now let's multiply that by 9
55 x 9 = 495
So he will earn 495 dollars in 9 days.
Hope that helped
