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3 years ago

Evaluate f(1) using substitution:f(x) =2x^3 -3x^2-18x+8

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

4 0

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Substitute 1 in everywhere you see 'x'

2(1)^3 - 3(1)^2 - 18(1) + 8

Solve:

f(1) = -11

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Your computer supply store sells two types of inkjet printers. The first, type A, costs $267 and you make a $24 profit on each o

In-s [12.5K]

The first, type A, costs $267 and you make a $24 profit on each one.

The second, type B, costs $127 and you make a $20 profit on each one.

number of printers = 170

Let x be the number of type A printers

Let y be the number of type B printers

x + y < = 170

you need to make at least $3760 profit on them

profit for type A is 24 and type B is 20

so 24x + 20y >= 3760

Our constraints are

x + y < = 170

24x + 20y >= 3760

x>=0 and y>=0

Cost function is C= 267 x + 127 y

Now we graph all the constraints

Now we take all the end points

corner points are

(90,80), (156.667,0) (170,0)

We plug in each point in our cost function

C= 267 x + 127 y

(90,80) => 267(90) + 127(80) = 34,190

(156.667,0) => 267(156.667) + 127(0) = 41,830

5 (170,0)=> 267(170) + 127(0) = 41,390

Here minimum cost is 34,190 at (90,80)

So we order 90 printers of type A and 80 printers for type B in order to minimize the cost

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3 years ago

Please Help! Its due in 2 hours!

WITCHER [35]

Answer:

x=40

Step-by-step explanation:

<h3> firstly 180 -110 = 70 (sumnof angle of a straight line ) </h3><h3>180 -110 = 70 (sumnof angle of a straight line ) also the triangle is an isocelels triangle of which the two sides have equal angle </h3><h3>180 -110 = 70 (sumnof angle of a straight line ) also the triangle is an isocelels triangle of which the two sides have equal angle there fore 70 +70 +x= 180 </h3><h3>180 -110 = 70 (sumnof angle of a straight line ) also the triangle is an isocelels triangle of which the two sides have equal angle there fore 70 +70 +x= 180 140+x=180 sum of angles of a triangle </h3><h3>180 -110 = 70 (sumnof angle of a straight line ) also the triangle is an isocelels triangle of which the two sides have equal angle there fore 70 +70 +x= 180 140+x=180 sum of angles of a triangle x=180 -140 = 40 </h3>

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3 years ago

U GET BRAINLIEST FOR ANSWERING THIS RIGHT

Paul [167]

the answer is the second choice

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4 years ago

Read 2 more answers

In a class of 147 students, 95 are taking math(m), 75 are taking science (s), 52 are taking both math and science. What is the p

Dmitriy789 [7]

Subtract 52 from m, s, and the total amount of students.. 52 is the amount of students that would take both math and science. m now equals 43, s now equals 23, and the total students remaining is 95.

Since the criteria wants you to exclude students that take math or science, add m and s together.

$43 + 23 = 66$

This is the total amount of students that take math or science.

To find the probability of picking a student that doesn't take math or science, subtract 66 from the total amount of students.

$95 - 66 = 29$

Take this amount and divide by the total amount of students again.

$\frac{29}{95} = 0.3052$

Convert the decimal into a percentage.

$0.3052 = 30.52$ %

There is a 30.52% chance of picking a student that doesn't take math nor science.

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3 years ago

Please help ASAP!!!!!!

lina2011 [118]

Answer:

I think its C but I'm not too sure.

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3 years ago

Evaluate f(1) using substitution:f(x) =2x^3 -3x^2-18x+8​

Evaluate f(1) using substitution:f(x) =2x^3 -3x^2-18x+8