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Helen [10]
4 years ago
13

Consider the functions f(x) = x^2 -1 and g(x) = 3x+1. Find the value of f(4) and g(4)

Mathematics
1 answer:
coldgirl [10]4 years ago
7 0
All you do here is plug in 4 for the x values.

So F(4)=4^2-1 which is F(4)=16-1 so F(4)= 15

So G(4)= 3(4)+1 which is G(4)=12+1 so G(4)=13
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Find the value of y when x equals 17 -x+y=-27
notka56 [123]
Find the value of y when x equals 17 -x+y=-27
since x is equal to 17 you plug it in the equation as follows...
-17+y=-27
then you add 17 on both sides...
y=-27+17
Answer:
y=-10
6 0
3 years ago
Each point has been reflected over the x-axis or y-axis.
Amanda [17]

The reflection is

  • x-axis
  • x-axis
  • y-axis

<h3>What is reflection over axis?</h3>

A reflection of a point, a line, or a figure in the X axis involved reflecting the image over the x axis to create a mirror image. In this case, the x axis would be called the axis of reflection.

For reflecting over the X axis is to negate the value of the y-coordinate of each point, but leave the x-value the same.

and, for reflecting over the Y axis is to negate the value of the x-coordinate of each point, but leave the y value the same.

So, by considering the above value rules the reflection of the given points as follows over respective axis.

E(7, 1) ⇒ (7, -1)

Here, the reflection is over x-axis because the y value is changing

F(-3, 5) ⇒ (-3, -5)

Here, the reflection is over x-axis because the y value is changing

G(6, -2) ⇒ (-6, -2)

Here, the reflection is over y-axis because the x value is changing.

Learn more about this concept here:

brainly.com/question/15175017

#SPJ1

4 0
2 years ago
Drag and drop each number to its correct position on the number line.
Stels [109]

Answer:

-⅜ is between -1 and 0

⅞ is between 0 and 1

-2½ is between -3 and -2 ( in the mid )

2½ is between 2 and 3 ( in the mid )

4 0
3 years ago
You have 88 grams of a radioactive kind of actinium. How much will be left after 44 years if its half-life is 22 years?
mash [69]

Answer:

22 grams

Step-by-step explanation:

loses 50% of it's mass per 22 years

so after 22 years the mass would be 44 grams

22 years later would leave 50% of 44 grams = 22 grams

3 0
3 years ago
Which expression is an irrational number?A. 1/9 <br><br> B.0.4 <br><br> C. √15 <br><br> D. √36
Daniel [21]
C is irrational because there is no definite square root for 15 whereas the square root of 36=6
3 0
3 years ago
Read 2 more answers
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