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For the function, f(x) = 8x + 5x, find the following. (a) f(5) D NUD K (b) f(-2) orea (c) f(4.2) muca (d) f(-4.2)
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For the function, f(x) = 8x + 5x, find the following. (a) f(5) D NUD K (b) f(-2) orea (c) f(4.2) muca (d) f(-4.2)

User Bjnr
by
8.6k points

1 Answer

2 votes

Answer:

(a) 65

(b) -26

(c) 54.6

(d) -54.6

Explanation:

(a)
f(5)=8(5)+5(5)=40+25=65

(b)
f(-2)=8(-2)+5(-2)=-16-10=-26

(c)
f(4.2)=8(4.2)+5(4.2)=33.6+21=54.6

(d)
f(-4.2)=8(-4.2)+5(-4.2)=-33.6-21=-54.6

User Charla
by
8.7k points
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