X= 1 is the answer as you can see values of f(x) and g(x) are same
Denominator:

so excluded values are x = -1 and x = 1.
Answer D.
Answer:
Step-by-step explanation:
right angle: an angle of 90°
vertical angles: each of the pairs of opposite angles made by two intersecting lines.
complementary angles: either of two angles whose sum is 90°.
Answer:

Step-by-step explanation:
we have

where
Q -----> is the daily output
A -----> is the number of people
For Q=621
Find the value of A
substitute and solve for A

Subtract 600 both sides


squared both sides


Subtract 41 both sides

Rewrite

Find the average value:
40 minutes + 50 minutes = 90 minutes
90 minutes/2 = 45 minutes
Together it will take them 45 minutes to clean the house