Cooper just lit a new candle and then let it burn all the way down to nothing. The length of the candle remaining unburned, in inches, can be modeled by the function
L(t)=15−1.5t, L(t)=15-1.5t,
L(t)=15−1.5t, where
tt
t represents the number of hours since the candle was lit. What is the
xx
x-intercept of the function and what is its interpretation in the context of the problem?

The
xx
x-intercept of the function is which represents

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

.95

step-by-step explanation:

step-by-step explanation: