Answer:
A
Step-by-step explanation:
Tiffany should have multiplied by 0.5 in step 1, not divided.
Answer:
13
Step-by-step explanation:
Answer:
You can identify the parent function by making the equation into its simplest form.
Step-by-step explanation:
Remove all transformations from the equation (such as plus/minus signs, constants, and extra terms in the equation).
ex. y= -3x^2+15
The parent function would be y=x^2 after removing everything.
Hope this helps! :)

By the quadratic formula,

Then


Multiply numerator and denominator by the denominator's conjugate:

Answer:

Step-by-step explanation:
Using pythagoras theorem,
