Answer:
Step-by-step explanation:
The temperature at 7:00 pm is:
You haven't provided expressions, so I can work out the problem for you. When we divide fractions, remember always "keep, switch, flip!" That's what we're gonna do here. We keep the 2/5, switch the sign to multiplication, and flip the 7/8 to 8/7. Therefore, we have 2/5*8/7. That gives us 16/35. Hope this helps!
<span>f(x) = 4x + 3
</span><span>f(7) = 4*7 + 3
</span><span>f(7) = 31</span>
4 and 1 is the correct answer
