Q. What is the inverse of the function f(x)=−21(x+3)? f−1(x)=
Switching roles and solving for y: To find the inverse of the function f(x)=−21(x+3), we need to switch the roles of x and f(x) and then solve for the new x.Let y=f(x), so we have y=−21(x+3).Now we replace f(x) with y and solve for x:y=−21(x+3)
Switching x and y to find the inverse function: Next, we switch x and y to find the inverse function:x=−(21)(y+3)
Solving for y to get the inverse function: Now we solve for y to get the inverse function. Start by multiplying both sides by −2 to get rid of the fraction:−2x=y+3
Writing the inverse function: Next, subtract 3 from both sides to isolate y:−2x−3=y
Writing the inverse function: Next, subtract 3 from both sides to isolate y:−2x−3=yFinally, we write the inverse function with y replaced by f−1(x):f−1(x)=−2x−3