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Naddika [18.5K]
3 years ago
10

Let f(x) = 4x + 5 and g(x) = x2 - 9x + 20. f(x) g(x)

Mathematics
1 answer:
Reil [10]3 years ago
7 0

Answer:97

97

Step-by-step explanation:

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What is the reciprocal of 14/19?
Afina-wow [57]

Answer:

1 5/14

Step-by-step explanation:

Flip it around: 19/14

Turn 19/14 into a mixed number which is:

1 5/14

3 0
2 years ago
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The robots will be taking over ⅓ of the normal work. you have hired 4 robots. How much of the total work will they be doing?
Maru [420]

Answer:

they all as a group will be doing 1/3 of the work.  There are 4 robots.

how much will each individual robot be doing from the total work?

well, how many times does 4 go into 1/3?

Step-by-step explanation:

5 0
3 years ago
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Malia runs 5 miles in 1 hour. How many miles does she run in half an hour? In 2 1/2 hours?
Olegator [25]
1/2 hr* (5 miles/ 1 hr)= 2.5 miles.

2 1/2 hrs* (5 miles/ 1 hr)= 12.5 miles.

Malia runs 2.5 miles and 12.5 miles in 1/2 hr and 2 1/2 hrs respectively.

Hope this helps~
8 0
3 years ago
A package of 3 shirts costs $12.90. If every shirt costs the same, how many shirts can be purchased for $55.90
Serggg [28]

Answer:

13 shirts

Step-by-step explanation:

First you try to find the amount for one shirt by dividing $12.90 by 3 which equals $4.30. Then you try to find the amount of shirts for $55.90 by dividing 55.90 by 4.30 which results into the final answer 13.

5 0
3 years ago
Primitive function for:<br><br> 1. f(x)=4e2x+e−x, sådan att F(0)=2
Free_Kalibri [48]

The primitive function for f(x) = 4e^{2x} + e^{-x} is given by it's indefinite integral.

To calculate it, recall:

\frac{d}{dx}e^{ax}=ae^{ax}

\int c f(x)dx = c\int f(x)dx

Let's begin

\int 4e^{2x}+e^{-x}dx \\4\int e^{2x}dx+ \int e^{-x}dx\\4\frac{e^{2x}}{2}+\frac{e^{-x}}{-1}  + c\\

F(x) = 2e^{2x}-e^{-x} +c

To find the costant, we just need to use the fact that F(0)=2

F(0) = 2 \\4e^{0}+e^{0} + c =2\\5+c =2\\c=-3

Therefore,

\boxed{F(x) = 2e^{2x} - e^{-x} -3 }

6 0
3 years ago
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