Answer:
y' = 2x + 1
y'' = 2
Step-by-step explanation:
y = x² + x + 8
y' = 2x + 1
y'' = 2
The square is 16 units + all of the triangles are 19 each so 40. Your final answer is 56
Answer:
-1/4 meter per minute
Step-by-step explanation:
Since, the volume of a cube,
Where, r is the edge of the cube,
Differentiating with respect to t ( time )
Given, 
Also, V = 8 ⇒ r = ∛8 = 2,
By substituting the values,
Hence, the rate of change of an edge is -1/4 meter per minute.
Answer:
The dollar amount of the meals Sarah served was $1150.
Step-by-step explanation:
Set up an equation expressing Sarah's total earnings:
(total earned) = (base wage) + 0.15 * (price of meals served)
Now the same using what we know:
$252.50 = $80 + 0.15 * x
where x is unknown and can be solved for:
x = (252.50 - 80) / 0.15 = $1150
The dollar amount of the meals Sarah served was $1150.
Answer:
First finish the brackets
21+9=30
30=30
So, it’s true
Step-by-step explanation:
