Answer:
Average rate of change=\displaystyle \frac{\text{Change in output}}{\text{Change in input}}
Change in input
Change in output
=\displaystyle \frac{\Delta y}{\Delta x}
Δx
Δy
=\displaystyle \frac{{y}_{2}-{y}_{1}}{{x}_{2}-{x}_{1}}
x
2
−x
1
y
2
−y
1
=\displaystyle \frac{f\left({x}_{2}\right)-f\left({x}_{1}\right)}{{x}_{2}-{x}_{1}}
x
2
−x
1
f(x
2
)−f(x
1
)
W(x) = 3x + 7
w(4) = 3(4) + 7 = 12 + 7 = 19
Y(-2) = 3 (x - 4)
Y = 3 (-2 - 4)
Y = 6 + 12
Y= 18
Answer:
The number is 60
Step-by-step explanation: