SOLUTION: 1) f(x) = x^2+1 2) f(x)=2x + 3 With each function equation I need to solve this question Q: Solve f(x) = 1

Algebra ->  Functions -> SOLUTION: 1) f(x) = x^2+1 2) f(x)=2x + 3 With each function equation I need to solve this question Q: Solve f(x) = 1       Log On


   

Question 1128110: 1) f(x) = x^2+1
2) f(x)=2x + 3
With each function equation I need to solve this question
Q: Solve f(x) = 1
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Q: Solve f%28x%29+=+1+
1)

f%28x%29+=+x%5E2%2B1+....substitute +1+ for f%28x%29++

1+=+x%5E2%2B1+
1+-1=+x%5E2+
+x%5E2+=0
+x+=0

2)
f%28x%29=2x+%2B+3+

1=2x+%2B+3+
1-3=2x+
-2=2x+
x=-2%2F2
x=-1