First solve for the slope, m using the two points given. It doesn't matter which point you choose as point 1 or 2 as long as you're consistent.
m = (y2 - y1)/(x2 - x1)
point 1: (–6.4, –2.6)
point 2: (5.2, 9)
m = (9 - -2.6)/(5.2 - -6.4)
m = (9 + 2.6)/(5.2 + 6.4)
m = 11.6/11.6
m = 1
put the newly found slope into the linear equation for m
y = (1)x + b
y = x + b
Now solve for the y-intercept, b
by putting one of the given points
9 = 5.2 + b
b = 9 - 5.2
b = 3.8
final equation:
y = x + 3.8
3 because 3•3 is 9 and 9•3 is 27
From the given the option moved left 1 unit; reflected across the x axis is the correct.
what is function?
A function from a set X to a set Y in mathematics assigns each element of X exactly one element of Y. The set X is known as the function's domain, and the set Y is known as the function's codomain.
We have to describe the position of the function
relative to the basic function
.
Let the parent function is
.
After shifting one unit right it becomes,
.
After reflection in x axis it becomes,
.
Hence, from the given the option moved left 1 unit; reflected across the x axis is the correct.
To know more about function, click on the link
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The bus driver arrives in Oban at 11:20
The answer is C. If the original equation is 10+20 for one swing, you multiply that by 3 to get the cost of three swings