Answer:
-5
Step-by-step explanation:
or, f(x) = -x^2+10x+16
or, f(7) = (-7)^2+10*-7+16 (-7*-7=49)
=49-70+16
=65-70
=-5
Y=mx+b helps to find slope of a line.
B is where it starts on the y axis.
m is the slope.
Hi, this is the notation for inclusion of all real
numbers.

We can also state numbers which are positive or negative with a sign on top of the R notation like so:
A. 8.75
B. 0.72
C. 9.31
D. 23.04
E. 6.98
Answer: I need more evindence to answered it but I say its the third one
Step-by-step explanation: