The table represents a function. What is f(–2)? –3 –1 1 3

Mathematics

2 answers:

LekaFEV [45]4 years ago

8 0

F(x) is the normal function notation

f(-2) is what we want. The change here is that x has been replaced with -2

That implies x = -2. So look in the x column for -2. Right next to it is 1

Therefore, f(-2) = 1

The answer is choice C

MaRussiya [10]4 years ago

3 0

Answer:

Step-by-step explanation:

C ) 1

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Equation of a line with an slope of 1/2 that contains (-4, 7)

nasty-shy [4]

Equation of a line with an slope of 1/2 that contains (-4, 7) is $y=\frac{1}{2} x+9$

Solution:

We have been given a point and slope of an equation and have been asked to write it in an equation. The two forms of writing a point and slope in equation are point slope form and standard form.

The standard form of a line is in the form Ax + By = C where A is a positive integer, and B, and C are integers. The standard form of a line is just another way of writing the equation of a line.

To write in standard form we will first write it in point slope form and then rearrange it into a standard from.

The formula for point slope form:

$y-y_{1}=m\left(x-x_{1}\right)$