Question

F(x)=5x+7 and g(x)=2x+3 find a) `(f+g)(x)` b) `(f-g)(x)`

Answer 1

Answer:

$a) \\(5x + 7) + (2x + 3) = 7x + 10 \\ b) \\ (5 x + 7) - (2x + 3) \\ = 5x + 7 - 2x - 3 \\ = 3x + 4$

Answer 2

X + 1 by x = 99 find the value of 100x by 2x square + 102x + 2

1

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