SOLUTION: Use the function f(x) = 3 – x^2 to find a. f(-2) b. f( 2/3 ) c. f(a + 2)

Algebra.Com
Question 1113380: Use the function f(x) = 3 – x^2 to find
a. f(-2) b. f( 2/3 ) c. f(a + 2)

Answer by math_helper(2461)   (Show Source): You can put this solution on YOUR website!

What you do for these types of problems is substitute for x.

I will do part (c), where we let x=a+2 in f(x):
f(x) =
f(a+2) =
The other two parts will produce numeric answers.

RELATED QUESTIONS

Use the function f(x) = 3 – x^2 to find a. f(-2) b. f( 2/3 ) c. f(a + 2) (answered by josgarithmetic,ankor@dixie-net.com)
f(x)=4x^2-3x+2 find the following function values. A. f(4) B. f(-3) C.... (answered by tampham5396)
For the function f(x)=2x+5 Find: a) f(2)+f(3) b) f(-1)+f(10 c) f(a)+f(-2a) d)... (answered by amarjeeth123)
evaluate the function, f(x) = 3-6x-3x(2) for: a) f(-3) b) f(-1/6) c)... (answered by solver91311)
Given f(x)=3x - 1, find a. f(2) b. f(-1) c. f(0) d. f(2/3) e. f(k) f. f(k +... (answered by checkley77)
Given f(x)=3x - 1, find a. f(2) b. f(-1) c. f(0) d. f(2/3) e. f(k) f.... (answered by rfer)
Evaluate each function for the value specified 4. f (x)= x^3 + 2x^2 - 7x+ 9; find (answered by jim_thompson5910)
Evaluate each function for the value specified 3. f (x) = -2x^3 + 5x^2 - x - 1; find (answered by jim_thompson5910)
Find the value for each function: (A) f(1) (B) f(1) (C)f(-1) (D) f(3) f(X) (answered by Boreal)