Which type of parent function is f(x) = x2? O A. Square root O B. Linear O C. Cube root O D. Quadratic
1 answer:
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• f(x+3) = 4x + 12, you can factorize 4x + 12 like this:
Like this you can replace x+3 for and you will get the formula you need for f(x):
•
since the radicand can only be 0 or a positive number, x+4 and x-9 must both be 0 or positive
and
with this we know that x has to be:
and the domain is: [9,∞)
Like this you can replace x+3 for and you will get the formula you need for f(x):
•
since the radicand can only be 0 or a positive number, x+4 and x-9 must both be 0 or positive
and
with this we know that x has to be:
and the domain is: [9,∞)