Parking lot A equation- $3.00 + $9.00x
Parking lot B equation- $10.00 + $6.00x
Part A- For 3 days parking lot B would be the better option- $28
Part B- For 8 days parking lot B would also be the better option- $58
Hello!
f(g(x)) = 4 - <u>2</u><u> </u><u>×</u><u> </u><u>(</u><u>3</u><u>x</u><u>²</u><u>)</u> <=>
<=> f(g(x)) = 4 - 6x²
Answer: B. f(g(x)) = 4 - 6x²
Good luck! :)
Okay so lets call Leah "L" and her cousin "C". We know that L+C=36 ... we also know that Leah is twice her cousins age. Therefore, L=2 times C, or L=2C. This is because Leah's age is equivalent to twice as much as her cousin's.
Now that you know that L=2C, you can plug this back into the equation. This should make it so that's there's only one variable now!
L+C=36
(2C)+C=36 ... here we subbed in L=2C
3C=36 ... we add up the C's
C=12 ... we isolate for C by dividing both sides by 3
So her cousin's age is 12 years old. Leah's age is twice that. Thus, she's 24. If you add the two up: 12+24, you indeed get 36. Hope that helps :))