Question

If f (x) = 3x2 − x and f (m) = 4, then find m
I will mark correct answer brainliest!

Answer 1

hey mate here is ur answer =

f(x)=3x^2-x

f(m)=3m^2-m

f(m)=4

3m^2-m=4

3m^2-m-4=0

m=1+-root(49)/6.....[Quadratic formula]

m=1+-7/6

m=8/6 or m=-6/6

m=4/3 or m=-1.

hope it helps.

☆☆☆☆

Answer 2

Answer:

answer :

f(x)=3x^2-x

f(m)=3m^2-m

f(m)=4

3m^2-m=4

3m^2-m-4=0

m=1+-roót(49)/6. ..[Quadratic formula)

m=1+-7/6

m=8/6 or m=-6/6

m=4/3 or m=-1.

hope it helps you

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have a wonderful day..