Answer:
The domain is the set of values you put into the function.
The range is the set of values the function outputs.
<u>Example problem</u>:
Find the range of this function: y = 2x + 3, x > 0
The x > 0 part is the domain, so this means that only positive values of x can be inputted in the function.
If only positive values can be inputted in the function, then the range will be: y > 3
Answer:
−3d−5e−2
Step-by-step explanation:
Convert mixed number to improper fraction:
43
=
Convert the fraction to decimal:
= 175 : 4 =
43.75
Hi Braniac
S = his speed for the 1st 20 mi
(s-2) = His speed for the last 16 mi
We know that :
time= distance/ speed
initial time = cool down time
20/s = 16/(s-2)
Now cross multiply
20(s-2) =16s
20s-40=16s
20s-16s=40
4s = 40
Now we need to divide both sides by 4 so we can find the speed
4s/4 = 40/4
s= 10 mph
His initial speed is 10mph
Now let's find his cool down speed
10-2 = 8mph
His cool down speed is 8mph
I hope that's help :)
If you have any questions please let me know :)
Answer: B is the correct option.
Step-by-step explanation:
Given the formula A=2 π r^2 + 2 π rh.
Where radius is 3x - 2 cm and height is
x + 3 cm
Find r^2= (3x -2) (3x -2) = 9x^2 + 4
rh = (3x -2) (x + 3)= 3x^2 + 7x - 6
Slot the values into the formula
A = 2 π (9x^2 + 4) + 2 π (3x^2 + 7x - 6)
Combine the values by adding like terms.
A = 2 π ( 9x^2 + 3x^2 + 7x + 4 - 6)
A = 2 π ( 12x ^2 + 7x - 2), i hope this helps, please mark as brainliest answer.
