Register

If g(x) = 2x + 3 and f(x) = x 2 − 49x, find all solutions of the equation f(g(x)) = 0.

If g(x) = 2x + 3 and f(x) = x 2 − 49x, find all solutions of the equation f(g(x)) = 0.
asked 148k views
3 votes
If g(x) = 2x + 3 and f(x) = x

2 − 49x, find all solutions of the equation f(g(x)) = 0.

asked
User Xaqron
by
7.2k points

1 Answer

3 votes
Basically you just have to plug in g(x) wherever you see an x in the equation f(x) since x is f(x) you just substitute it . So f(g(x))=2x+3

You then just have to solve for 0

0=2x+3
Subtract 3 from both sides
-3=2x
Divide by 2
X=-3/2
answered
User David Strachan
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!