1) multiply the funtion by 8 for 8F(x)
For f(8x) replace the x in the function with the (8x)
2) Domain is the values for x that can be used so that the function is defined.
We never want the square root of a negative number or division by zero because that will caust the funtion to be undefined.
Work these out and someone will check them for you.
1) Given that F(x) = -5+7x^2, find and simplify:
8F(x) =
F(8x) =
2) Find the domain of the function:
f(x) = -2x+12
q(v) = ^9sqrt(-3v+14)
f(x) = [(x-5)/(sqrt(15-x))]
B(y) = [7/(81-(1/y^2))]
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