Yes it is. In order for something to be a function, no X values can be the same, which is the case here.
<span>f(x) = ax2+bx+c, is quadratic equation
</span><span>function opening downward if the a<0,
</span><span>kf(x) = -x², a= -1<0
so the answer is </span><span>B.kf(x) </span><span>
</span>
Answer:
D. 88
Step-by-step explanation:
if you add the given numbers up (equals 100) them subtract it from 540(the degrees of a Pentagon) you get 440. then divide that by 5 (number of xs left) you get 88. You can plug in 88 for x and check but I already did, I hope this helps you lemme know if it does :)
Answer:
2x + 10
= 2(15) + 10
= 30 + 10
= 40
It will take 40 minutes to make and pack an order for 15 parts.
Step-by-step explanation:
