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Olin [163]
3 years ago
6

Graph the functions and identify the domain and range. y=-1.5x^2

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
8 0
You can give random values such as <span> (1,2.5) (2,9) (-1,2.5) (-2,9) and it is a parabola. You'll see that the range is (-infinte, 0] and the domain is (-infinit, infinite). </span>I hope that this is the answer that you were looking for and it has helped you.
Arte-miy333 [17]3 years ago
4 0

Answer:

The domain corresponds to all real number and range corresponds to any real number lesser than or equal to 0.

Step-by-step explanation:

Polynomial functions are continuous. Second order polynomial have a vertix, which is an absolute maximum since coefficient is a negative number. The function is plotted as follows.

The domain corresponds to all real number and range corresponds to any real number lesser than or equal to 0.

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At 2:00 PM a car's speedometer reads 30 mi/h. At 2:20 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:20 the acce
storchak [24]

Answer:

The correct answer will be "60 min/hour".

Step-by-step explanation:

At time 2:00 PM

A car reads = 30 mi/h

At time 2:20 PM

A car reads = 50 mi/h

Now,

At time 2:00 PM

t = 0

At time 2:20 PM

t = \frac{1}{3}

v(0)=30

v(\frac{1}{3})=50

For MVT,

v'(c)=\frac{v(\frac{1}{3} -v(0))}{(\frac{1}{3} )}

       =\frac{20}{\frac{1}{3} }

       =60 \ min/hour

5 0
3 years ago
What is the answer to 0.7(1.5 + y) = 3.5y - 1.47
Brums [2.3K]

Answer:

0.9

Step-by-step explanation:

0.7*(1.5 + y) = 3.5y - 1.47

or, (0.7*1.5) + 0.7y = 3.5y - 1.47

or, 1.05 + 1.47 = 3.5y - 0.7y

or, 2.52 = 2.8y

or, y = 2.52/2.8

or, y = 0.9

Hope this will help. Please mark me brainliest.

4 0
2 years ago
Which expression is equivalent to 28 + 7? Prove your answer by showing your work.
OverLord2011 [107]

Answer:

ok so first lets find the answer to the original question

28+7=35

so lets find which one is equal to 35

7(4+1)=28+7=35 yes

4(7+1)=28+4=32 no

4(7+3)=28+12=40 no

7(4+7)=28+49=77 no

a is the answer

Hope This Helps!!!

6 0
2 years ago
If i randomly pick a polynomial, is it more likely to have real roots or complex roots?
Vinil7 [7]
I would say you are more likely to have complex roots.  If you think of graphs of polynomials, if you draw a function that doesn't pass through the x-axis, all roots are complex. 
6 0
3 years ago
What is the property to this problem ab+ac=(b+c)a
ryzh [129]

Answer:

Distributive Property of Multiplication

6 0
3 years ago
Read 2 more answers
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