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Mashutka [201]
3 years ago
12

(1 point)

Mathematics
1 answer:
castortr0y [4]3 years ago
3 0

9514 1404 393

Answer:

  (c)  y=2^x

Step-by-step explanation:

You can check each of the offered functions to see which one fits. It is often informative to check the last of the offered points.

  5^2 ≠ 32

  2×5 ≠ 32

  2^5 = 32 . . . . . a good candidate

  5 +2 ≠ 32

Only the third choice matches the given ordered pairs.

__

If you're trying to figure out the function, it is often useful to look at the differences between given values. The x-values differ by 1. The y-values differ by 2, 4, 8, 16. These are not constant, so the function is not linear (eliminates B and D). These differences don't have a common difference, so the function is not quadratic (eliminates A).

Both the y-values and their differences have a common ratio of 2, a strong indicator this is an exponential function with a base of 2 (matches C).

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A Write an equivalent equation that does NOT contain decimals.
vampirchik [111]

                                                     <span>0.5x - 0.1 = -2.9

When you multiply each side of an equation by the same number,
you don't change the equation or its solution.  If you want to get rid
of the decimals, you could  multiply each side by  10.  Then the
equation is

                                                     5x - 1  =  -29

You should be able to solve that without help.
But I'm about to take your points, so here's
how to solve that equation:

                                            </span><span><span>5x - 1  =  -29

Add  1  to each side:        5x        =  -28

Divide each side by  5 :     x         =  -28 / 5

Simplify the solution:          x         =  -5 and 4/5 .

Again ... this is the same solution as the original equation
if we hadn't gotten rid of the decimals.

</span></span>
5 0
3 years ago
How to do a number line for a fraction
Shalnov [3]
Simply make the line, and then add the units equally. 

------------------------------------------
1/4   1/2    1    1 1/4  1 1/2
7 0
3 years ago
Which of the following is an equation of the line in the graph?
Alla [95]

Answer:

letter D po Ang answer

Step-by-step explanation:

sana makatulong po Ito

4 0
3 years ago
Read 2 more answers
What interger describes withdrawing $100 from your bank account?
vodka [1.7K]
-100
nefgative one hundread
minus one hundread
6 0
3 years ago
A building casts a shadow 48 feet long . At the same time a 40 foot tall flag pole casts a shadow 9.6 feet long . What is the fi
tankabanditka [31]
Ratio of height of the flag pole to the length of its shadow = 40:9.6 = 25:6
Ratio of height of the building to the length of its shadow = x:48 = 25:6
x/48 = 25/6
x = (48 x 25)/6 = 1200/6 = 200

Therefore, the height of the building is 200 feet.
6 0
4 years ago
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