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f(x) looks linear.
g(x) looks quadratic.
h(x) looks trigonometric.
Find a transformation that works for each of them.
These composite functions can be evaluated with the table.You do not need to use the equations from part (a).
h(π) = −(2)
g(−2) = 0
f(0) = −5
so f(g(h(π))) = −5
Translation: On the g(x) table, what x-value has a y-value of 4? Use the table... do NOT find the inverse function... that would be a waste of time!
Refer to hint in part (ii).
f −1(h(π)) = 1