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pogonyaev
3 years ago
8

A coordinate plane with a line passing through (negative 4, 3), (0, 1), and (4, negative 1). Which linear function is represente

d by the graph? f(x) = –2x + 1 f(x) = –f(x) equals negative StartFraction one-half EndFraction x plus 1.x + 1 f(x) = f(x) equals StartFraction one-half EndFraction x plus 1.x + 1 f(x) = 2x + 1
Mathematics
2 answers:
tester [92]3 years ago
9 0

Answer:

(its B)    f(x) = –f(x) equals negative StartFraction one-half EndFraction x plus 1.x + 1

Step-by-step explanation:

9966 [12]3 years ago
8 0

Answer:

Step-by-step explanation:

If these 3 points are collinear, then we can find the slope of the linear function using any 2 of those points.  Suppose we use (-4, 3) and (0, 1):  

As we move from (-4, 3) to (0, 1), x increases by 4 and y decreases by 2.  Hence, the slope of this lilne is m  = rise/run = -2/4, or m = -1/2.

Using the slope-intercept formula y = mx + b and replacing y with 1, x with 0 and m with -1/2, we get:

1 = (-1/2)(0) + b, or b = 1.  Then the desired equation is y = f(x) = (-1/2)x + 1

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F = 0.272727...<br>100f = (100)(0.272727...)<br>100f = ?​
koban [17]

Answer:

<h2>100f = 27.272727...</h2>

Step-by-step explanation:

f = 0.272727...

100f = (100)(0.272727...)

100f = 27.272727...

6 0
3 years ago
Find the speed of a race car if it travels 5 miles in 2 minutes and 30 seconds
Tomtit [17]
You first convert the 2 minutes and 30 seconds to 150 seconds.

Then, you take the 150s÷5m to get the number of seconds per mile.

The answer is 30s/m
4 0
3 years ago
each time kim pour water from a jug into a glass, exactly 10% of the water remaining in the jug is used. What is the minimum num
Gnoma [55]

The <em><u>correct answer</u></em> is:

At least 7 times.

Explanation:

Since 10% of the water in the jug is removed each time, this means that 100-10=90% of the water remains.

After two times, we would have 0.9(0.9) = 0.81 = 81% of the water; each time she pours, the number of times 0.9 is multiplied by itself changes.  This makes this an exponential inequality (it is not an equation, as we want "less than half of the water"):

0.5 < 0.9^x

To solve this, we will use logarithms:

\log_{0.9}(0.5)

4 0
3 years ago
A population of flies grows according to the function p(x)=6(3)^x, where x is measured in weeks. A local spider has set up shop
Doss [256]
The final population of the flies is equal to the growth rate minus the number of flies consumed by the spiders. That is,
                          final population = 6(3^x) - (4x + 1)
Substituting 2 to the x of the equation above,
                         final population = 6(3²) - (4(2) + 1) = 45
Thus, the final population of the flies would be 45. 
7 0
3 years ago
A brick is 3 1/2 inches wide by 8 inches long. How much area would this brick cover?​
Angelina_Jolie [31]

Answer:

28 inches squared

Step-by-step explanation:

Area is base (b) times height (h)

A=bh

A= 3.5 x 8

A = 28

7 0
3 years ago
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