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f(x)={[-x-7," for ",x!=-3],[4," for ",x=-3]:}
Find 
f(0)
Answer:

f(x)={x7amp; for amp;x34amp; for amp;x=3 f(x)=\left\{\begin{array}{lll} -x-7 & \text { for } & x \neq-3 \\ 4 & \text { for } & x=-3 \end{array}\right. \newlineFind f(0) f(0) \newlineAnswer:\newline

Full solution

Q. f(x)={x7 for x34 for x=3 f(x)=\left\{\begin{array}{lll} -x-7 & \text { for } & x \neq-3 \\ 4 & \text { for } & x=-3 \end{array}\right. \newlineFind f(0) f(0) \newlineAnswer:\newline
  1. Determine xx for f(x)f(x): We need to determine which part of the piecewise function to use for x=0x=0. The function f(x)f(x) is defined as x7-x-7 when xx is not equal to 3-3, and it is defined as 44 when xx is equal to 3-3. Since f(x)f(x)00 is not equal to 3-3, we use the first part of the function.\newlineCalculation: f(x)f(x)22