Firstly, it is an arithmetic sequence.
d=-7 a1=5
a50 = 5-7*(50-1)
a50=-338
400*400=160,000 which is the area of the square
2*2=4 which is the area of the smaller square
160,000/4=40,000
40,000 of the smaller squares can fit inside the larger square
I am assuming you meant to write b(x) = x-4.
Since this is a linear function, the domain is all real numbers.
<h3>
Answer: f(x) = x + 13 </h3>
This is the same as y = x+13
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Explanation:
Let's find the slope
I'll use the first two rows as the (x1,y1) and (x2,y2) points
m = (y2-y1)/(x2-x1)
m = (19-18)/(6-5)
m = 1/1
m = 1
The slope is 1.
Now apply the point slope formula and solve for y
y - y1 = m(x - x1)
y - 18 = 1(x - 5)
y - 18 = x - 5
y = x-5 + 18
y = x + 13
f(x) = x + 13 is the final answer
As a check, note how something like x = 5 leads to...
f(x) = x+13
f(5) = 5+13 ... replace x with 5
f(5) = 18
We see that x = 5 leads to f(x) = 18. That verifies the first row. I'll let you check the remaining three rows.
The equation y = x+13 has slope 1 and y intercept 13.
1/3 = 8/24
1/4 = 6/24
An Answer to 31 is 7/24
0.89
0.90
An Answer to 32 is 0.895
-2/3
1/2
An Answer to 33 is -1/2
0.27 = 27/100
4/5 = 80/100
An Answer to 34 is 54/100 = 27/50
