Plz help quickly i need this by today at 9 or I'm grounded. if the doc doesn't work, use the picture i put with it. Or just use the picture at first. 16 points. 24 if brainliest and i will give it to the first person with correct answers. I NEED ALL ANSWERS AND PLZ DONT ANSWER FOR THE POINTS I WILL REPORT YOU.

Part a: 123

Part b: C

1. F(x)=4(2)1

2. F(x)= -4(2)1

3. F(x)=21

4. F(x)=-21

Last is B

Step-by-step explanation: hope this help

justin bieber ml.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get