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frosja888 [35]
3 years ago
11

‼️ IM BEING TIMED PLEASE HELP‼️ Which is the graph of fix) = 4(3)?

Mathematics
1 answer:
dexar [7]3 years ago
3 0

Answer:

Step-by-step explanation:

After graphing the function f(x) = 4(\frac{1}{2})^{x}  we can see that the correct graph is the middle one in the picture. This is because with an x-input of 1 the value of 1/2 will stay the same and when multiplied by 4 it would give us a y-coordinate of 2 as seen in the middle graph. The y-coordinate keeps decreasing exponentially by half for every increase in the x-coordinate. A zoomed-in version of the graph can be seen in the attached picture below for a better understanding.

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Find the real solutions of the equation by graphing
Vlada [557]

Answer:

C. 0, 1.29, -0.65

Step-by-step explanation:

The real solutions of the equation 19x^3-12x^2-16x=0  is where the graph of y=19x^3-12x^2-16x intersects the x-axis.

This means that we need to graph y=19x^3-12x^2-16x using a graphing software.

From the graph shown in the attachment x=0, x=1.29, and x=-0.65  are the  real solutions.

The correct choice is C

8 0
3 years ago
Find BC if BD = X + 29, AD = x = 39, AC = 20, and BC = x + 19
nalin [4]

Answer:

10 units

Step-by-step explanation:

We are given that

BD=x+29

AD=x+39

AC=20

BC=x+19

AC=AB+BC

20=AB+x+19

AB=20-x-19=1-x

AD=AB+BD

x+39=1-x+x+29

x=30-39=-9

Substitute the value of x=-9

Then , we get BC=-9+19=10 units

Answer: BC=10 units

5 0
3 years ago
Car X leaves Northtown traveling at a steady rate of 55 mph.  Car Y leaves 1 hour later following Car X, traveling at a steady r
Elis [28]
Unfortunately, you haven't shared the equations from which you're supposed to choose your answer.

But we can write our own.

When will the distance traveled by the 1st car = the distance traveled by the 2nd car?

55 miles + (55 mph)x = (60 mph)x

solve this for x:  55 miles = (60-55)x mph = 5 mph

x=11 hours

The two cars are the same distance from the starting point after 11 hours.
4 0
4 years ago
I found the answer on multiple sites but can somebody please help me with the explanation as I did not find that anywhere.
Amanda [17]

Answer:

Explanation thing

Step-by-step explanation:

The larger the angle, the farther the opposite side is .  (For example, the angle representing Dallas shows the rank of distance from Abilene and Austin)

8 0
3 years ago
A system of 2 linear equations is ___ dimensional. It is a graph of _____ lines. The solutions can be _____ solution if the grap
dexar [7]

Considering High School level question, answer can be written as:


A system of 2 linear equations is [two] dimensional. It is a graph of [two] lines. The solutions can be [unique] solution if the graph intersects. [No] solution if the lines are parallel - meaning they have the same slope, or [Infinitely many] solutions if they are the same line.

Explanation:

when two lines are drawn on a two-dimensional plane then there are only three possible cases:


Case1: lines will intersect

In that case you will get a unique solution at the intersection point.


Case2: lines are parallel but don't touch each other

In that case there will be no point which lies on both lines so No solution.


Case3: lines are overlapping.

In that case all the points lies on both lines so infinitely many solutions.

3 0
3 years ago
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