Input 7 for every x so
f(7) = -2 (7)^2 +4
f(7) = -2(49) +4
f(7) = -98 +4
f(7) = -94
Answer:

Step-by-step explanation:
hello,
we can write

hope this helps
<span>When 10 grams of copper and 10 grams of iodine are mixed, what is the
theoretical yield of copper I iodide?</span>
2Cu + I2 → 2CuI
<span>30 g15 g7.5 g20 g</span>
Answer: 3 13/24
Step-by-step explanation:
<u>Turn 7 1/6 into an Improper Fraction:</u>
43/6 - 3 5/8
<u>Turn 3 5/8 into an Improper Fraction:</u>
43/6 - 29/8
<u>Subtract:</u>
43/6 - 29/8= 85/24
<u>Turn 85/24 into a Mixed Number (Final Step):</u>
85/24 = 3 13/24
<u>Answer:</u>
3 13/24
Hope this Helps!
<u></u>