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Find each new function in simplest form of : f x g Which of the four options is it? Also please explain why

Find Each New Function In Simplest Form Of F X G Which Of The Four Options Is It Also Please Explain Why class=

Sagot :

fg(x) = 2x² +10x -28

Since this is an operation with functions. Let's multiply both functions and then check.

f(x) = x+7

g(x) =2x -4

f * g (x) = (x+7)(2x-4) Distribute the factors

fg(x) = 2x² -4x +14x -28

fg(x) = 2x² +10x -28

2) So the product of both functions, i.e. fg(x) = 2x² +10x -28