3 years ago

Given the function f(x)=-2x+ 4x -7, find f(-4)

Mathematics

1 answer:

Sedaia [141]3 years ago

5 0

F(x)=-2x+4x-7
f(x)=2x-7
now f(-4)=2(-4)-7=-8-7=-15
So it will be -15

You might be interested in

Mr. Green’s lawnmower holds 600milliliters of gasoline in the tank. He just filled his 6-liter gas can at the station. How many

yanalaym [24]

Answer: 10 times

Step-by-step explanation:

1 litre = 1000 ml

6 litres = 6000 ml

Lawnmover holds 600 ml

So 6000 ml will fill

6000/600 = 10 times

5 0

3 years ago

Points!! Help PLEASE!!!!!!!!!!!!!!!!! I've been stumped forever!:( Point estimate? Poll's margin of error? Fill in the blanks:

Brut [27]

The point estimate is the mid-point of the interval:
$\frac{.35+.43}{2} = \frac{.78}{2} = 0.39$

The margin of error is the difference between the endpoints of the interval and the mid-point.
$0.43 - 0.39 = 0.04 = 4\%$

8 0

3 years ago

The data represents the number of days it takes for different tomato plant to produce tomatoes. Use the information to complete

andre [41]

Answer:

1, 5, 10, 10, 7, 1

Step-by-step explanation: Count

5 0

3 years ago

Given the equation of two lines how can I distinguish if these lines are parallel, perpendicular, or neither?

photoshop1234 [79]

If they are perpendicular, they form a right angle. For example, this is perpendicular:

I_

If likes are parallel, they run along each other, never meeting. For example, these two lines are parallel:

___
___

Hope this helps!

6 0

4 years ago

How do I factorise 42 - 66x

lisov135 [29]

The answer is 6(-11x+7)

6 0

3 years ago