Q. f(x)={(x+1)2−83 for for x=−4x=−4Find f(−1)Answer:
Determine Part for x=−1: Determine which part of the piecewise function to use for x=−1. Since x=−1 is not equal to −4, we use the first part of the piecewise function: (x+1)2−8.
Substitute x=−1: Substitute x=−1 into the first part of the piecewise function.f(−1)=((−1+1)2−8)
Simplify Expression: Simplify the expression inside the parentheses. f(−1)=(02−8)
Calculate Square and Subtract: Calculate the square of 0 and subtract 8. f(−1)=(0−8)
Find Final Answer: Simplify the expression to find the final answer. f(−1)=−8