I think it would be D.
5/9 *5/9 = 25/81
<span>it's correct,</span>
Answer:
x=2
Step-by-step explanation:
For every f(x) change the x with the given value.
a.
x³-5x²+6x-4 ..........change the x with 2
(2)³-5(2)²+6(2)-4
8-20+12-4
-4
b.
4x³+3x²+x+2 .... .same here change x to 1
4(1)³+3(1)²+(1)+2
4+3+1+2
10
c.
2x^4-x³+3x²-1 ...........change x as -1
2-(-1)³+3(-1)²-1
2+1+3-1
5
d.
2x³-6x-5 ................change x with -3
2(-3)³-6(-3)-5
2(-27)+18-5
-41
Answer:
I don't know if this will be right but:
$20 - $2.50x
Step-by-step explanation:
You start of with 20 dollars, for each day (x), $2.50 will be taken out of your 20 each day.