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pychu [463]
3 years ago
10

Given that f(x)=2x+1 and g(x)=x^3 , find (fog)(-2)

Mathematics
1 answer:
scZoUnD [109]3 years ago
6 0
The answer for this question is -15. I hope it helped?? g(-2)=-8 then put it into f(x)=2x+1 = 2(-18)+1=-15
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Solve 2x-7 = 3x-2(x+8) for x
kolezko [41]

Answer:

x = -11

Step-by-step explanation:

2x - 7 = 3x - 2x - 18

2x - 7 = x - 18

collect like terms

2x - x = 7 - 18

x = -11

5 0
1 year ago
It takes Juwan exactly 35 minutes by car to get to his grandmother's the nearest parking area is 4 minute walk from her apartmen
liq [111]

It takes him 35 + 4 = 39 total minutes one way, so it would take him 39 x 2 = 78 minutes for 1 round trip.

convert 5 hours and 12 minutes into minutes: 1 hour = 60 minutes.

5 hours x 60 minutes = 300 minutes.

300 + 12 = 312 total minutes for the week.

Divide total minutes by minutes per round trip:

312 / 78 = 4 round trips total

4 0
3 years ago
Read 2 more answers
Coleman uses his graphing calculator to find all of the solutions to the equation shown below.
Phoenix [80]

Answer:

The correct option is;

D. x = -1.38 and 0.82

Please find attached the combined function chart

Step-by-step explanation:

The given equation is x³ + 3 = -x⁴ + 4

Plotting the equation using Excel, we have;

f(x) = x³ + 3, h(x) = -x⁴ + 4

x                                             f(x)                                       h(x)

-1.4                                         0.256                                   0.1584

-1.39                                       0.314381                              0.26699

-1.38                                       0.371928                             0.373261

-1.37                                       0.428647                             0.477246

-1.36                                       0.484544                             0.57898

Which shows an intersection at the point around -1.38

x                                          f(x)                                     h(x)

0.77                                    3.456533                         3.64847

0.78                                    3.474552                         3.629849

0.79                                    3.493039                          3.610499

0.8                                         3.512                                3.5904

0.81                                      3.531441                           3.569533

0.82                                       3.551368                          3.547878

0.83                                       3.571787                            3.525417

Which shows the intersection point around 0.82

Therefore, the correct option is x = -1.38 and 0.82

From the graphing calculator the intersection point is given as

x = -1.3802775691 and 0.81917251339.

8 0
2 years ago
A triangle has base 7 m and area 17.5 m. What is the height?
Temka [501]
122.5. 

A=b x h/2.     A=122.5  b=7

A x b=h
122.5 x 7 =122.5

5 0
3 years ago
Complete the table for the given rule y=5x
Varvara68 [4.7K]

Answer:

x:0,1

y:0,5

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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