Answer is: 30
All you have to do is add all the calls made
4/5, because to simplify a decimal, you can divide the numerator by the denominator. 4 divided by 5 is 0.8
Answer:
f^-1(x) is 6x + 48
f(x) = 1/6x - 8
To find f^-1(x) equate f(x) to y
That's
f(x) = y
y = 1/6x - 8
Next interchange the terms
We have
x = 1/6y - 8
Make y the subject
Multiply through by 6
We have
6x = y - 48
y = 6x + 48
Therefore f^-1(x) is 6x + 48
Hope this helps you
The answer would be b. Scores on one variable plotted against scores on a second variable hope i helped you
27. 3(9+4)
28. 12(1+3)
29. 4(4+5)
30. 2(x+4)
31. 6(5+2x)
32. 7(6x+7)