<span>f(x) = x² + 4x
so
</span><span>f(-2) = (-2)² + 4(-2)
f(-2) = 4 - 8
f(-2) = -4
answer
-4</span>
When billy turns 18 he will have $3,099.6 in his account because .021 percent x $8,200= $172.20 per year x 18 years = $3,099.60
Answer:
haha it's actually the orange one 225
Step-by-step explanation:
Hope this helps :)
I don't speak the language; I'm not even sure what language that is. I went to Indonesia in 1991 but all I can say now is "saya mau beli mango."
But math is math. It says "graf"; this is probably making a table to help draw the graph.
It looks like the curve we're trying to graph is

That's

That's a fairly straightforward table to make; unfortunately our first entry isn't consistent with the above equation. I'll assume the equation is correct and make a vertical table; that's easier to type:
x y (x,y)
0 -2 (0,-2)
1 -1 (1,-1)
2 0 (2,0)
3 1 (3,1)
4 2 (4,2)
5 3 (5,3)
Solving this involves substitution of values into the given formula and applying basic arithmetic.
<u>Weight of Car is 2.1 tons</u>
We are told that the dimensions of the rectangle are 7in and 5in.
Formula for area of a rectangle is;
A = Length x breadth
Thus;
A = 7 × 5
A = 35 in²
We are also given;
Air pressure; P = 30 psi
A car has 4 tires and so;
Number of tire; N = 4
We are told that formula for weight of the car in ton is;
W = APN/2000
Plugging in the relevant values;
W = (35 × 30 × 4)/2000
W = 2.1 tons
Read more at; brainly.com/question/2926797