Answer:
yes.
Step-by-step explanation:
When a zero of a function does not cross the x-axis but touches it, this means that the zero is a "double root". It has two of the same factor (x - 4)^2 and two of the same zeros, x = 4 and x = 4
f(x) = x^2 - 8x + 16 would be the function with a double root at 4
Answer:
<h2>e =7.1</h2>
Step-by-step explanation:

I hope it helps :)
The temperature that is 23 degrees above freezing is 55 because the freezing level is 32 and you add 23 to that
Answer:
(2,22)
Step by step explanation:
(x,22) is the solution of the equation y=9x+4
9x+4= 22
=>9x= 22-4
=>9x=18
=>x= 2