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If f and g are two functions such that f(x) = 5x + 2 and g(x) = , then find f + g and f – g.

Asked by Topperlearning User 1st August 2014, 7:51 AM
Answered by Expert
Answer:
We have,
f open parentheses x close parentheses equals 5 x plus 2 space a n d space g open parentheses x close parentheses equals x squared plus 3
open parentheses f plus g close parentheses open parentheses x close parentheses equals 5 x plus 2 plus x squared plus 3
space space space space space space space space space space space space space space space space equals x squared plus 5 x plus 5
open parentheses f minus g close parentheses open parentheses x close parentheses equals minus x squared plus 5 x minus 1 space space space space space space space space space space space
Answered by Expert 1st August 2014, 9:51 AM
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