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

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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) About Me  (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) = +3-x%5E2+
f(a+2) = +3+-+%28a%2B2%29%5E2++=+3+-+%28a%5E2%2B4a%2B4%29+=++highlight%28+-a%5E2+-+4a+-+1+%29+
The other two parts will produce numeric answers.