salsachips salsachips

10-06-2020
Mathematics

contestada

If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (9-1(3)?

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lesliejam4 lesliejam4

10-06-2020

Answer:

( g − f ) ( 3 ) = 23

Step-by-step explanation:

(g-f)(x)=g(x)-f(x)

=6x-(4-X(2))

=x(2)+6x-4

to evaluate (g-f) (#) substitute x=3 into (g-f)(x)

(g-f)=(9)+(6 x 3) -4=23

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