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Greeley [361]
3 years ago
10

Must a function that is decreasing over a given interval always be negative over that same interval ? Explain

Mathematics
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

For a function to be decreasing over an interval, the outputs on the function are getting smaller as the inputs of the function are getting larger, but the outputs could be positive or negative. For a function to be negative over an interval, the  outputs must be negative, while the inputs could be positive or negative.

Leno4ka [110]3 years ago
5 0
Check the picture below.

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Rhonda took $20 with her to spend on popcorn and candy for herself and her friends at the movie theater. The price for each bag
MrRa [10]

The linear equation that represents the scenario is 5x + 2.5y = 20

<h3>How to determine the equation?</h3>

The given parameters are:

  • Popcorn = $5 per bag
  • Candy = $2.5 per bag i.e. half the price of pop corn

Let x represents popcorn and y represents candy.

So, we have:

5x + 2.5y = 20

The intercepts in this case are the maximum number of candy and popcorn Rhonda can buy

See attachment for the graph

Read more about linear functions at:

brainly.com/question/4025726

#SPJ1

5 0
2 years ago
What is the period of the cosecant function graphed below?
telo118 [61]
Step-by-step explanation: The cosecant function is graphed in the given figure. we are to find the period of the function.
The period of a function is the distance travelled by the curve of the function in one complete revolution.
We can see that in the given figure, the distance between two consecutive points is given by

Therefore, the period of the cosecant function is
Thus, the correct option is (B) \pi.
4 0
2 years ago
Help me answer this. Please!!!!!
Maru [420]
1/2*2a= 1a
-6b*1/2=-3b
8* 1/2= 4
so 1a-3b+8
7 0
3 years ago
........................
omeli [17]

it would be C i think hope this helps

5 0
3 years ago
Read 2 more answers
The​ temperature, T, in degrees​ Fahrenheit, in a​ car's radiator during the first 4 minutes of driving is a function of​ time,
devlian [24]

Answer:

Step-by-step explanation:

T = 5.8t² + 14t + 32 ( 0 ≤ t ≤4 )

a ) when t = 0 ( when car is turned on )

T = 32 ° F .

b ) When t = 2

T = 5.8t² + 14t + 32

= 5.8 x 2² + 14 x 2 + 32

= 23.2 + 28 + 32

= 83.2 ° F

c )

T = 80 ;  to find t = ?

80 = 5.8t² + 14t + 32

5.8t² + 14 t - 48 = 0

t = \frac{-14+/-(14^2-4\times 5.8\times -48)^\frac{1}{2} }{2\times 5.8}

t = 1.9 minutes  . approx .

3 0
3 years ago
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