Please help I’ll mark brainliest! Thank you and have a great day/night!

Answer:
f^-1(x)=1/5x-2
Step-by-step explanation:
f(x) = 5x + 10
Use substitution
y = 5x + 10
Interchange the variables
x = 5y + 10
Swap the sides
5y + 10 = x
Move the constant to the right
5y = x - 10
Divide both sides
y = 1/5x-2
Use substitution
f^-1(x)=1/5x-2
Final Answer
Hope this helped!