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Rina8888 [55]
3 years ago
10

Which statement best describes the function h(t) = 210 – 15t? h is the function name; h(t) is the input, or independent variable

; and t is the output, or dependent variable. h is the function name; t is the input, or independent variable; and h(t) is the output, or dependent variable. t is the function name; h(t) is the input, or independent variable; and h is the output, or dependent variable.  t is the function name; h is the input, or independent variable; and h(t) is the output, or dependent variable
Mathematics
2 answers:
vazorg [7]3 years ago
8 0
<span>The function h(t) = 210 – 15t has the slope-intercept form of the equation of a straight line.  The y-intercept represents the amount h at the very beginning (when t=0).  The negative slope (-15) represents the amount by  which h will decrease if t is increased by 1.

We are manipulating the value of time, t, so time, t, is the independent variable, and h(t) = y is the dependent variable.</span>
ZanzabumX [31]3 years ago
5 0

Answer:

The answer is B

Step-by-step explanation:

I did the edgenuity assignment.

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Your mother gave you $13.32 to buy a present. This covered 1/5 of the cost. How much did the present cost?
Nady [450]

Answer:

$66.60

Step-by-step explanation:

Step 1 so she gave you 13.32 and covers 1 fifth of the cost so you have to times 13.32 by 5 to get how much does the present cost so the total after I times 13.32 by5 equals $66.60

6 0
2 years ago
The table below represents the displacement of a bird from its nest as a function of time: time (hours) x displacement from nest
zubka84 [21]
Answer: See each part below.

Part A: The y-intercept is the first value, or 12. That means that they bird is 12 miles from its nest when the time started.

Part B: The average rate of change is the slope. From 1 to 3 hours, the bird went from 20 to 36 or 16 miles. 16 miles in 2 hours is the same as 8 miles in 1 hour.

Part C: To find the extent of the domain, write and solve the following equation for 172 miles.
172 = 8x + 12
160 = 8x 
20 = x

The domain will go up to 20 hours.
3 0
3 years ago
Last PreCalc Question, Need help with writing piecewise functions with graphs. Giving brainliest!
LekaFEV [45]

The piece-wise linear functions can be written as follows:

  • f(x) = x, x \leq -2.
  • f(x) = -x - 7, -2 < x \leq 1.
  • f(x) = 2x - 9, x > 1.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

For x equal or less than -2, the line passes through (-3,-3) and (-2,-2), hence the rule is:

f(x) = x, x \leq -2.

For x greater than -2 up to 1, the y-intercept is of -7, and the line also passes through (1,-8), hence the rule is:

f(x) = -x - 7, -2 < x \leq 1.

For x greater than 1, the function goes through (2,-5) and (3,-3), hence the slope is:

m = (-3 - (-5))(3 - 2) = 2.

The rule is:

y = 2x + b.

When x = 2, y = -5, hence:

-5 = 2(2) + b

b = -9.

Hence:

f(x) = 2x - 9, x > 1.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

5 0
2 years ago
Brainliest if you are correct
frez [133]

Answer:

D) log_2(x)+3log_2(9)

Step-by-step explanation:

Given: log_2(9x^{3})

Use Exponent Rule: 3log_2(9x)

Use Addition Rule: log_2(x)+3log_2(9)

4 0
2 years ago
Read 2 more answers
Write the expression that shows "3 times the sixth power of ten."
KIM [24]
3 x 10 (with a small 6 at the top right of the ten). Hope this helped
8 0
3 years ago
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