Raul has 50 coupon books to sell. The total amount of money Raul will make from selling x coupon books is represented by a function. f(x)=20x

What is the practical domain of the function?

all integers from 0 to 50, inclusive

all multiples of 20 between 0 and 1000, inclusive

all integers from 20 to 50, inclusive

all real numbers

i think the answer is seven, for if i'm being useless °ω°

step-by-step explanation:

the real question is why is this guys last name heavyfoot

step-by-step explanation:

the answer is:

the lateral area is equal to

to find the lateral area of the square pyramid, first we need to find the perimeter of the base, and then, find the lateral area using the following formulas:

where,

s, is the base length

slant height, is the height of a the side of the pyramid

we are given:

now, calculating the perimeter of the base, we have:

then, calculating the lateral area:

hence, we have that the lateral area is equal to

have a nice day!