SOLUTION: If f(x-1)=2x+3 for all values of x, what is the value of f(-3)?
A) -7
B) -5
C) -3
D) -1
Algebra.Com
Question 996335: If f(x-1)=2x+3 for all values of x, what is the value of f(-3)?
A) -7
B) -5
C) -3
D) -1
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
x-1 = -3
x-1+1 = -3+1
x = -2
Replace every x with -2
f(x-1)=2x+3
f(-2-1)=2(-2)+3
f(-3)=2(-2)+3
f(-3)=-4+3
f(-3)=-1
So the answer is D) -1
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