What graph best represents y=2^x + 1
What graph best represents y=2^x + 1 - 1

Answers

Answer 1
Answer:

Answer:

The graph that best represents the given equation in the attached figure

Step-by-step explanation:

we have

y=2^x+1

Find the y-intercept

Remember that the y-intercept is the value of y when the value of x is equal to zero

For x=0

substitute

y=2^0+1=2

The y-intercept is the point (0,2)

The given function is increasing, because the y-value increases as the x-value increases. The function tends to go up as it goes along

therefore

The graph that best represents the given equation in the attached figure


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Y-x=02x-5y=9

Y-5=2x
Y-3x=-1

Anyone good at substitution that could do these two problems for me?

Answers

1.) y-x=0 and 2x-5y=9
 
Lets take the first equation (since it is the easiest to use for the substitution process) and set y equal to x by adding x to both sides.

y=x

Then we will substitute this into the second equation like this...

2x-5(x)=9

2x-5x=9

Combine like terms...

-3x=9

Divide both sides by -3...

x=-3 

^^^ That's the answer!


2.) y-5=2x and y-3x=-1

Again let's use the first equation and set I equal to y by adding 5 to both sides...

y=2x+5

Now let's substitute this into the second equation...

(2x+5)-3x=-1

2x+5-3x=-1

Now lets put the terms in order and then combine like terms...

-3x+2x+5=-1

-1x+5=-1

Now, let's subtract 5 to both sides...

-1x=4

Then divide both sides by -1...

x=4

^^^ That's the answer for #2!


Hope that helped! :-)

PLEASE HELP ME ANYONE PLEASE HELP I HAVE 15 MI NUTES

Answers

The answer is A, guess I am a bit late to tell you that though. let me explain why the answer is A. A is the only point that would not be in the blue section. All the other points listed would be in the blue section. If you would like further explanation just ask :)

Find this
unit rate 720 kilometers per 15 liters

Answers

48 kilometers per liter

Only problem 6a. Can someone demonstrate how to do this so I can do the rest solo?

Answers

as far as I can tell, is simply asking to write two more expressions, that are equivalent to the provided one, namely, grab the provided one and expand it, if you simplify the expanded version, you'd end up with the provided, for example

\bf \boxed{6a.1}~\hfill  \stackrel{changing}{\cfrac{29\cdot 3}{30\cdot 3}}\implies \stackrel{one}{\cfrac{87}{90}}~\hfill  \stackrel{changing}{\cfrac{29\cdot 7}{30\cdot 7}}\implies \stackrel{t wo}{\cfrac{203}{210}}\n\n\n\boxed{6a.3}~\hfill \stackrel{ch anging}{\cfrac{15/ 3}{30/ 3}}\implies \stackrel{one}{\cfrac{5}{10}}~\hfill \stackrel{changing}{\cfrac{15/ 5}{30/ 5}}\implies \stackrel{two}{\cfrac{3}{6}}

so let's do 6a1, 6a3 and 6a5.

\bf \boxed{6a.1}~\hfill \stackrel{changing}{\cfrac{29\cdot 3}{30\cdot 3}}\implies \stackrel{one}{\cfrac{87}{90}}~\hfill \stackrel{changing}{\cfrac{29\cdot 7}{30\cdot 7}}\implies \stackrel{t wo}{\cfrac{203}{210}} \n\n\n \boxed{6a.3}~\hfill \stackrel{changing}{\cfrac{15/ 3}{30/ 3}}\implies \stackrel{one}{\cfrac{5}{10}}~\hfill \stackrel{changing}{\cfrac{15/ 5}{30/ 5}}\implies \stackrel{two}{\cfrac{3}{6}}

\bf \boxed{6a.5}~\hfill \stackrel{changing}{(9\cdot 10)/ (2\cdot 10)}\implies \stackrel{one}{90/ 20}~\hfill \stackrel{changing}{(9\cdot 70)/(2\cdot 70)}\implies \stackrel{two}{630/ 140}

The formula for the circumference of a circle is C = 2r. What is one-fourth of the circumference of a circle that measures 12 centimeters around? If necessary, use 3.14 for .

Answers

The formula of a circumference is:

C=2\pi r

r - radius

or

C=d\pi

d - diameter

We have d = 12cm. Substitute:

C=12\pi\ cm

One-fourth of the circumference:

(1)/(4)C=(1)/(4)\cdot12\pi=3\pi\ cm\approx3\cdot3.14=9.42\ cm

Answer:  9.42 cm.

Need answers for 14-17

Answers

Answer: whats the question


Step-by-step explanation: