Answer:
x=5
Step-by-step explanation:
i took the test also you compare 8 to the line that has x on it then -3 of that of what you think oh that looks like 3 but it is actually five plz give brainliest
Answer:
9 and 3/5
Step-by-step explanation:
Nine and Three Fifths
F(x) = 2x + 1
To find the inverse of a function you just need to switch the x by y or vice-versa:
-> y = 2x + 1
-> x = 2y + 1
After that you isolate the y again:
-> 2y = x - 1
-> y = (x-1)/2
-> f^-1 (x) = (x-1)/2
Answer:
77/5=99/x
77x=5*99
77x=495
x=495/77
x=6.4
she needs to study 6.4 hrs to get 99