Answer:
why is it sideways
Step-by-step explanation:
Answer:
f(x) = x*3/4 + 42.5
Step-by-step explanation:
The original difference between the pair is 70 - 30 = 40
The new difference between the pair is 95 - 65 = 30
Since the differences are not the same, Mrs Bailey must first perform a (slope) multiplication by a factor of 30/40 or 3/4
Then 30 * 3/4 = 22.5
Then she can shift the scores up by 65 - 22.5 = 42.5 in order to get the range from 65 to 95
Therefore, f(x) = x*3/4 + 42.5. We can test that
f(30) = 30*3/4 + 42.5 = 65
f(70) = 70*3/4 + 42.5 = 95
Answer:
see explanation
Step-by-step explanation:
Given
x +
≤ - 3 or x - 3 > - 2
Solve the left and right inequalities separately, that is
x +
≤ - 3 ( isolate x by subtracting
from both sides )
x ≤ - 3 -
, that is
x ≤ -
-
, thus
x ≤ - 
OR
x - 3 > - 2 ( isolate x by adding 3 to both sides )
x > 1
Solution is
x ≤ -
or x > 1