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a_sh-v [17]
2 years ago
5

Find the y-intercept of each exponential function and order the functions from least to greatest y-intercept.

Mathematics
1 answer:
kvv77 [185]2 years ago
4 0

Answer:

Keep the exact order that is shown

Step-by-step explanation:

The first exponential already has a point at (1, -2) which means the y-intercept would be less than -2, which is the lowest among the three


The second has a y-int at -2

Third has y-int at 2

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A new toy hits the local store. Sales (in hundreds) increase at a steady rate for several months, then decrease at about the sam
Montano1993 [528]

Answer:

Option A.

Step-by-step explanation:

It is given that, sales (in hundreds) for several months can be modeled by the function:

S(m)=-0.625|m-8|+5

We need to find the month in which 400 toys were sold.

Substitute S(m)=4 in the given function.

4=-0.625|m-8|+5

4-5=-0.625|m-8|

-1=-0.625|m-8|

\dfrac{-1}{-0.625}=|m-8|

1.6=|m-8|

Now,

\pm 1.6=m-8

1.6=m-8 or -1.6=m-8

1.6+8=m or -1.6+8=m

9.6=m or 6.4=m

Approx the value to the next whole number.

m\approx 10 or m\approx 7

It means, 400 toys were sold on 7th and 10th month.

Therefore, the correct option is A.

5 0
3 years ago
Solve and check: 3 x2 + 5x + 6 + x − 1 x + 2 = 7 x + 3
vagabundo [1.1K]

Answer:

3x^{2} -2x +5=0

Step-by-step explanation:

Combine liked terms:

3x^{2}+5x+x-1x+6+2=7x+3

3x^{2}+6x-1x+8=7x+3

3x^{2}+5x+8=7x+3

Subtract 3: 3x^{2}+5x+8-3=7x+3-3

3x^{2}+5x+5=7x

Now subtract 7x:

3x^{2}+5x+5-7x=7x-7x

If you want combine liked terms:

3x^{2}-7x+5x+5=0

3x^{2}-2x+5=0

Hope this helps!

5 0
3 years ago
Write an expression that can be used to multiply 6 × 198 mentally.
Mamont248 [21]

Answer:

assuming you meant 6x198 do a mental sum for 6x200 (1200) then subtract 6x2(12)to give you 1188

Step-by-step explanation:

brainly.com/question/274291

5 0
2 years ago
Read 2 more answers
Which of the following coordinates are not correctly named based on the image?
timama [110]

Answer:

Hi, there the answer is (4,2)

Step-by-step explanation:

The reason is that 4 is the y-axis and 2 is the x-axis and

the rule is x is first then y

The correct format for writing this it is supposed to be (2,4).

Therefore, your answer will (4,2)

3 0
2 years ago
The State Board of Education has $2,183 to buy new calculators. If each calculator costs $37, how many calculators can the board
Tema [17]

Answer:

59

Step-by-step explanation:

They could buy 59

You solve this by dividing the total amount of money ($2183) by the other amount ($37) which is 59

5 0
2 years ago
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