Which number is rational? A. -3 1/2 B. sqrt 5 C. Pi D. 9.23157 ...
1 answer:
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Answer:
The answer to your question is
Step-by-step explanation:
f(x) = x² - 4
Process
1.- Change f(x) for y
y = x² - 4
2.- Change "x" for "y" and "y" for "x".
x = y² - 4
3.- Make "y" the object of the equation
y² = x + 4
4.- Change "y" for f(x)
