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3 years ago

Which of the following represents the graph of f(x) = 2x − 3?

Mathematics

2 answers:

Soloha48 [4]3 years ago

7 0

Hello there!

We can graph this by using the slope and y-intercept.

So we have the slope 2 and the y -intercept -3.

On the graph, draw the line from the right side all the way down.

See picture below for more info.

stepan [7]3 years ago

4 0

Check the picture below

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Which test point holds true for the inequality 3/2y-2x>=1? Where does the shaded area lie for this inequality? The test point

Tanya [424]

The test That holds true for this inequality is given as 1/4 and 1

<h3>How to solve for the inequality</h3>

3/2 y - 2x > 1

The goal is to make y the subject

then

3/2 y > 2x + 1

We have to divide through the equation by 3/2

Such that y > 4/3 x + 2/3

Read more on inequality here: brainly.com/question/25275758

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1 year ago

Ok so how can you tell if 2 angles are complementary, vertical, or supplementary? I don't know how to tell and I have pre-algebr

Ne4ueva [31]

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3 years ago

Find an equation of the parabola y = ax2 + bx + c that passes through (0, 1) and is tangent to the line y = 4x − 4 at (1, 0).

larisa86 [58]

We are given the following:
- parabola passes to both (1,0) and (0,1)
 - slope at x = 1 is 4 from the equation of the tangent line 

First, we figure out the value of c or the y intercept, we use the second point (0, 1) and substitute to the equation of the parabola. When x = 0, y = 1. So, c should be equal to 1. The parabola is y = ax^2 + bx + 1 

Now, we can substitute the point (1,0) into the equation,
0 = a(1)^2 + b(1) + 1
0 = a + b + 1
a + b = -1 

The slope at x = 1 is equal to 4 which is equal to the first derivative of the equation.
We take the derivative of the equation ,
y = ax^2 + bx + 1
y' = 2ax + b

x = 1, y' = 2
4 = 2a(1) + b
4 = 2a + b 

So, we have two equations and two unknowns, 
2a + b = 4 
a + b = -1

Solving simultaneously,
a = 5 
b = -6

Therefore, the eqution of the parabola is y = 5x^2 - 6x + 1 .

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3 years ago

John typed a 48 word paragraph in 2/3 minute. What is the typing speed in words per minute

serg [7]

Answer: The answer is: " 72 words per minute. "

___________________________

Step-by-step explanation:

___________________________

This is a "unit rate" problem.

We want to solve for/ find the number of words PER single minute.

___________________________

Given 48 words per (2/3) minute;

How many words per (one) minute?

__________________________

The answer is {48 ÷ (2/3) } words per minute:

Note: dividing by a number is the same as multiplying by the reciprocal (inverse) of that particular number:

Hence:

__________________________

The answer is {48 * (3/2) } words per minute:

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Write as:

" $\frac{48}{1} *\frac{3}{2}$ " ;

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The "48" can be changed to "24" ; and the "2" can be changed to "1" ;

→ {Since: "48 ÷ 2 = 24 "} ;

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And we have:

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" $\frac{24}{1} *\frac{3}{1} = 24 * 3 = 72$ " ;

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The answer is: " 72 words per minute ."

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Hope this is helpful to you!

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4 0

3 years ago

Read 2 more answers

How many diagonals can be drawn from each vertex of a 16-gon?

olchik [2.2K]

The answer may be 30

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3 years ago