63)B
64)J
65) i think B but i am not sure
66)
x -10
x 2
(x-10)(x+2)
Answer:
43
Step-by-step explanation:
D = rt
We are given the rate r to be 15 mph.
We are given the time (in hours) to be 3.5.
We need to find D.
D = (15)(3.5)
D = 52.5 miles.
Did you follow?
For this case we must find

By definition we have to:

We have the following functions:

Now, applying the given definition, we have:

Answer:

The y-intercept of the function is at y = -3 so the options that don’t include it are off the table. The only possible answer is option C. Option A doesn’t work because plugging in positive values would give negative numbers within the square root which isn’t defined in the real numbers.