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For function of g,g(0)=1 and g(1)=5 assuming g is a linear function what is g(3)


User Gaffi
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1 Answer

6 votes

Answer:


g(3) = 13

Explanation:

Given


g(0) = 1


g(1) = 5

Required

Find g(3)

Since g(x) is a linear function, then:


g(x) = mx + c

For:
g(0) = 1


g(x) = mx + c


g(0) = m*0 + c


1 = 0 + c


1 = c


c = 1

For:
g(1) = 5


g(x) = mx + c


g(1) = m * 1 + c


5 = m * 1 + c


5 = m + c

Substitute
c = 1


5 = m + 1


m = 5 - 1


m =4

So, the function is:


g(x) = mx + c


g(x) = 4x + 1

Calculate g(3)


g(3) = 4*3 + 1


g(3) = 12 + 1


g(3) = 13

User Patel Bhavin
by
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