If a function is defined as C(x) =(.80x, for 0 500 Find the value of C(100), C(255), C(550), C(500), C(O), C(250), C(400) .

80 ; 204 ; undefined ; 400 ; 0 ; 200 ; 320

Step-by-step explanation:

C(x) =(.80x, for 0 500 )

Find the value of :

C(100) = 0.80*(100) = 80

C(255) = 0.80 * 255 = 204

C(550) = undefined

C(500) = 0.80 * 500 = 400

C(O) = 0.80 * 0 = 0

C(250) = 0.80 * 250 = 200

C(400) = 0.80 * 400 = 320

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!