I’ll mark u brainlist give an example how u got the answer.

Simplify: 6pq - 5pq + 8p2q

simplify the numbers that have like terms so 6pq - 5pq is 1pq

now you have pq (you can get rid of the one)

the equation should look like this: pq + 8p2q

if you wanna factor that, it'll be pq(8p+1)

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50