SOLUTION: given the function f(x)=2x-5. what is the value of f(x) when x=-5

Algebra.Com
Question 604438: given the function f(x)=2x-5. what is the value of f(x) when x=-5

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Replace 'x' with -5 and evaluate

f(x)=2x-5

f(-5)=2(-5)-5

f(-5)=-10-5

f(-5)=-15

So the answer is -15

RELATED QUESTIONS

What is the value of the function.. f (x) = 2x + 5. When x=... (answered by Fombitz)
what is the value of the function when x=5?... (answered by ewatrrr)
What is the value of the function when x = 5 F(x) =... (answered by jim_thompson5910)
If f(x)-f(x+1)=2x-5 and f(6)=12, what is the value of... (answered by stanbon)
Given the function f(x) = 2x + 2, what is the value of x if f(x) =... (answered by Alan3354)
Given the function f(x) = 2x + 2, what is the value of x if f(x) =... (answered by jim_thompson5910)
given f(x)=f(x+1)+3 and f(2)=5, what is the value of f(8) (answered by jim_thompson5910)
The function f(x 3x 5, when evaluated, gives a value of 19. What is the function's input... (answered by Fombitz)
Given the function f described by f(x)=2x find each of the following f(-5)= f(18)= f (answered by user_dude2008)