F(2) = 20(1.25)^x
f(2) = 20(1.25)^2 - plug in 2 to x
f(2) = 20(1.5625) - calculate 1.25^2
f(2) = 31.25 - simplify
Answer:
4
Step-by-step explanation:
The area, a of the room is 8* 5.5
a = 44 sqaure feet
one square foot of tiles are sold in packages of 12
To get the number of packages needed, simply divide the area of the room by 12
This gives:
44/12 = 4
= 3.67 round up to the nearest whole number
= 4
1 is not even yet it is a factor of 8. Alice is wrong.
The correct answer would be A) X^6 Y^5
1/7 = 3/4x-1
3/4x=1/7+1=8/7
x=8/7*4/3=32/21
