<em>f(-5) = 15 (A)</em>
- Step-by-step explanation:
<em>f(x) = - 2x + 5</em>
<em>replace x = - 5</em>
<em>f(-5) = -2(-5) + 5
</em>
<em>(-)(-) = +
</em>
<em>f(-5) = 10 + 5
</em>
<em>f(-5) = 15 (A)</em>
Y-3.6=x^2
y=x^2+3.6
x=1, y=4.6
x=3,y=9.6
x=5,y=28.6
x=6,y=39.6
x=9,y=84.6
We must build the proportion
deliveries made : deliveries due = x : 100
in fact, we must express the fraction of work done as a fraction with denominator 100.
So, we have

Trey has completed 45% of his work so far.
Answer:
17.85
Step-by-step explanation:
12.75 multiplied by .40 = 5.10
5.10 + 12.75 = 17.85
The third statement does not describe a correlation all relationship because some children’s vocabulary does not increase as they get older, but their weight does.