Answer:
£365
Step-by-step explanation:
so add another column and call it midpoint. use the weekly earnings column to find the midpoints add both numbers then divide by 2
then times all these numbers by the corresponding frequencies
1 * 200=200
11 * 300=3300
5 * 400=2000
0 * 500=0
3 * 600=1800
then add these numbers =7300 then do 7300/20=365
Answer:
y=4
x=-1
Step-by-step explanation:
replace y
2x+6=-x+3
3x=-3
x=-1
y=2x+6
y=2(-1)+6
y=-2+6
y=4
Answer:
2
Step by step:
1•2=2
2•2=4
3•3=6
And so on...
Hope this helps!!
Answer:
sqrt(1/2x+6) = h^-1 (x)
Step-by-step explanation:
To find the inverse, we exchange x and y and then solve for y
y = 2x^2 -12
Exchange x and y
x = 2y^2 -12
Solve of y
Add 12 to each side
x+12 = 2y^2
Divide by 2
(x+12) /2 = 2y^2/2
(x+12)/2 =y^2
1/2 x+6 = y^2
Take the square root of each side
sqrt(1/2x+6) = sqrt(y^2)
sqrt(1/2x+6) = y
This is the inverse
I presume this is meant to be exponential.
When f(x) = a(b)^x, a represents the starting value, b represents change, and x represents time.
The population began in 2000 (x = 0). This makes the equation equal to 78,500, which is your starting value and population in 2000.
1.02 means that the initial value is multiplied by 1.02 or 102% each year. Therefore, there is a 2% increase.
