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vazorg [7]
3 years ago
8

Find all of the critical points of p (t). p (t) = t 2 + 5t + 6.

Mathematics
1 answer:
svp [43]3 years ago
8 0

Please, use " ^ " to denote exponentiation: p(t) = t^2 + 5t + 6.

To find the critical points, differentiate p(t) with respect to t, set the result = to 0, and then solve the resulting equation for t:

p '(t) = 2t + 5 = 0

Solving for t: 2t = -5, and so t = -5/2. (-5/2, p(-5/2)) is the critical point. That evaluates to (-5/2, -0.25). This happens to be the vertex of a parabola that opens up.

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Find the Y-intercept and x-intercept of the line: 4x- 6y=21
zimovet [89]

Answer:

Step-by-step explanation:

4x-6y=21

divide by 21

\frac{4x}{21} -\frac{6y}{21} =1\\or~\frac{x}{\frac{21}{4} } +\frac{y}{-\frac{7}{2} } =1\\x~intercept =\frac{21}{4} =5.25 \\y~intercept=-\frac{7}{2} =-3.5

6 0
3 years ago
Read 2 more answers
Brittany's car gets 31 miles per gallon. Brittany's car used 24 gallons of gas on a round trip to see the ocean. How far away fr
shutvik [7]

Answer:

  372 miles

Step-by-step explanation:

The appropriate relation is ...

  miles = (miles/gallon) × gallons

  distance = (31 mi/gal)×(24 gal) = 744 mi

Brittany drove 744 miles to see the ocean. Since this was her round trip distance, the one-way distance is ...

  744 mi/2 = 372 miles

5 0
3 years ago
A crew is made up of 8 men; the rest are women. If 32 % of the crew are men, how many people are in the crew?
iVinArrow [24]

Answer:

There are 33 people in the crew

5 0
3 years ago
Tao uses elimination to solve the following system of linear equations. -2x+4y=162x+2y=8Which ordered pair is a solution to the
Alex_Xolod [135]

The correct answer is the first option.


If you want to use elimination, you can sum the two equations for example, so that the x's simplify:


(-2x+4y)+(2x+2y) = 16+8


6y = 24


y = 4


Plug this value for y in one of the equations to derive the value of x:


2x+2y=8 \implies 2x + 8 = 8 \implies x = 0


So, the solution is (x,y) = (0,4)

8 0
3 years ago
Find the measure of the angle. <br> I need to show my work, please, thank you!!!
Rina8888 [55]

Answer:

148

Step-by-step explanation

A you may have studies,

x+125+23=180

x+148=180

x=132

Angle S = 132

but to find ? you have to add U and T

so it's y=125+23=148

6 0
3 years ago
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