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Lelechka [254]
3 years ago
5

What is the slope for the function y=2x^2+2 at the point x= 3?

Mathematics
1 answer:
Katarina [22]3 years ago
3 0
1) We have to calculate the first derivative:
y=2x²+2
y´=4x

2) the slope at the point x=3; will be f´(3);
f´(3)=4(3)=12

answer: the slope will be 12.

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Please help me do this someone.
RUDIKE [14]

Answer: The system of equations are;

a + b = 9 ———(1)

a + 3b = 23———(2)

Step-by-step Explanation: The variables used here are a and b. Where a represents the number of free throws and b represents the number of three-pointers.

From equation (1), what we have is the total number of shots he has taken altogether which is 9 shots in all. All 9 shots are an addition of free throws and three pointers (that is a + b).

In equation (2), what we have is the points obtainable times the number of shots taken (for each shot). This means if a is a free throw, then 1 times a is equal to number of free throws times 1. Similarly, if b is a three-point throw, then 3 times b is equal to the number of three pointers thrown times 3.

The solution to the equation above gives us,

a = 2 and b = 7

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3 years ago
A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probability of a lock
Margarita [4]

Answer:

A. 9

B. 3,024

C. 4

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hope this helps!

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2 years ago
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4.<br> What is the domain of the graph shown below?
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Answer:

-6 < x ≤ 6

Step-by-step explanation:

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there were 600 sheep and goats in the hills. If the ratio of sheep to goats in 1 to 2, how many sheep are there
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If there is one sheep for every 2 goats then that means there are 400 goats and 200 sheep.
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2 years ago
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PLEASE HELP
kifflom [539]

\\ \sf\longmapsto \dfrac{x^2-1}{x^2+5x+4}\leqslant 0

  • Solving denominator

\\ \sf\longmapsto x^2+5x+4>0

\\ \sf\longmapsto x^2+4x+x+4>0

\\ \sf\longmapsto x(x+4)+1(x+4)>0

\\ \sf\longmapsto (x+4)(x+1)>0

\\ \sf\longmapsto x>-4\:or x>-1

  • Hence x\neq-1
  • x can't be 0 as it makes function undefined

\\ \sf\longmapsto -4

5 0
2 years ago
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