Answer:
v = -1 1/4
Step-by-step explanation:
1. -5 x -1 1/4 = 3 3/4
2. -5 x -2 = +10
3. 8 x 1 1/4 = 10
4. 5 x 1 1/4 = 6 1/4
5. 5 x 5 = 25
Now just substitute the values.
Hope that helps!
Answer:
So starting off with 1a f(4)
We simply substitute x with 4 for the function
f(4)=2(4)-5
f(4)=8-5
f(4)=3
Next 1b, here it's a little different since you have to multiply the functions I think ( please correct me if I'm wrong).
gf(4), basically means functions g and f are being multiplied and their variables are being substituted with 4.
g(4)=4^2+3
g(4)=16+3
g(4)=19
and we also know from before that f(4)=3, so we'll do 19 times 3 which is 57
For the next two, I may be wrong, but I'm still going to try:
anything to the power of a negative is a fraction so for f^-1(x)=2x-5 we'll have 1/f(x)=x/2+5/2
And then for g^-1, we'll have 1/g(x)=
Hope I helped :)
Written out numerically, it is 4x4x4. To work this out you multiply 4x4= 16 and then you have one more 4 to multiply by, so you multiply 16x4=64
Answer: yes, because it is a straight line and is on the origin and goes through the origin so it is a proportional relationship
hoped this helped let me know if it did