y-intercept is -6 (0,-6) and the x-intercept is -3 (-3,0)
Answer:
The Answer is: (-6, 11); (3, 5); (15, -3); (-12, 15)
Step-by-step explanation:
f(-6) = -2/3(-6) + 7 = 12/3 + 7 = 4 + 7 = 11
f(3) = -6/3 + 7 = -2 + 7 = 5
f(15) = -30/3 + 7 = -10 + 7 = -3
f(-12) = -2/3(-12) + 7 = 24/3 + 7 = 8 + 7 = 15
To find the -12, you have to solve for x:
-2/3x + 7 = 15
-2/3x = 15 - 7
-2/3x = 8
x = -3/2 * 8 = -24/2 = -12
Then to prove the number, find f(-12) = 15
We are given that the temperature is less than (<) -3 degrees Fahrenheit.
Since the temperature is represented by the variable "t", then t is less than -3.
So, the inequality which best describes the situation is:
t < -3
Checking the choices, we will find that the correct choice is:
<span>C: t < -3</span>
Nr of chocolates = c
nr of bags of 5 = a
nr of bags of 7 = b
50<c<70
c=5*a+2
c= 7*b-1 therefore b can be max 10 (if b=11 then c=76>70 can't do)
let's say b=10 then c=69 but in this case a=13.4 not integer (also can't do)
let's say b=9 then c=62 then a = 12 wich is ok
solution 1 c=62
let's also try for b=8 wich means c=55 and a=10.6, not integer, not ok again
and also for b=7 wich means c=48 but 48<50 so no go again and also for b<7 wich means c will grow smaller and smaller
so the only solution is c=62