Answer:
domain is x is an element of all real numbers, or {xer}, and the range is {3.5}
Step-by-step explanation:
since x stretches the whole way it is all real numbers, and y only touches one point on the graph so it has to be a single point
Remember
difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)
(x)^2-(7)^2=(x-7)(x+7)
set to zero
x-7=0
x=7
x+7=0
x=-7
x=-7 or 7
Answer:
$24
Step-by-step explanation:
You will plug in 8 for x :)
30 - (3/4)x
Since he loses 3/4 a dollar for every hour he can't work, (3/4) x 8 = 6. He will lose 6 dollars from this. 30 - 6 = 24.
His final profit is 24.
Answer:
B
Step-by-step explanation:
Answer:
60 inches
Step-by-step explanation:
Fill in the given numbers and solve for length. Then convert to inches.
18 ft = 2L +2(4 ft)
10 ft = 2L . . . . . . . . subtract 8 ft
5 ft = L = 5×(12 in) = 60 in
The length of Sarah's back yard is 60 inches.
