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3 years ago

Plz help I’ll give a crown

Mathematics

1 answer:

Molodets [167]3 years ago

5 0

Jake is the answer :)

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Find f(g(3)) given: * f (x) = 2x2 – 1 g(x) = 3x h(x) = j(x) = x - 5

bezimeni [28]

Answer:

161

Step-by-step explanation:

Given the functions

f (x) = 2x^2 – 1

g(x) = 3x

we are to find f(g(3))

First look for the composite function f(g(x))

f(g(x)) = f(3x)

f(3x) = 2(3x)² - 1

f(3x) = 2*9x² - 1

f(3x) = 18x² - 1

f(g(x)) = 18x² - 1

Substitute x = 3 into the result

f(g(3)) = 18(3)² - 1

f(g(3)) = 18*9- 1

f(g(3)) = 162-1

f(g(3)) = 161

Hence f(g(3)) is 161

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3 years ago

How to graph y=-f(1/4(x+1))+2

Umnica [9.8K]

Umm...You gotta draw the angle through y,than look for the 1,then fourths of it then over the 1x then you add 2

6 0

3 years ago

Pauline travels between two cities. First she drives for 40 minutes at an average speed of 88 km/hr then for 40 minutes at an av

Scilla [17]

Pauline's average speed for this trip is 64 km/hr.

Explanation

First we will convert each 'minutes' into 'hours' . So......

40 minutes = $\frac{40}{60}hours =\frac{2}{3} hours$ and 23 minutes = $\frac{23}{60}hours$

Now, $Distance = Speed* Time$

So, the distance traveled for first 40 minutes at 88 km/hr speed $=(88* \frac{2}{3})km = 58.67 km$ ,

the distance traveled for next 40 minutes at 75 km/hr speed $=(75*\frac{2}{3})km=50 km$ and

the distance traveled last 23 minutes at 49 km/hr speed $=(49*\frac{23}{60})km = 18.78 km$

So, the total distance traveled $=(58.67+50+18.78) km = 127.45 km$

She spends 17 minutes eating lunch and buying gas.

So, the total time taken for the trip $= (40+40+17+23)minutes = 120 minutes= 2 hours$

Thus, Pauline's average speed for this trip = (Total distance / Total time) $=(\frac{127.45}{2})km/hr = 63.725 km/hr =64 km/hr$ (Rounded to the nearest km/hr)

8 0

3 years ago

Brainliest if correct

soldier1979 [14.2K]

Answer:

Just pick 2 coins to compare (I mean the directions say compare 2).

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

I am odd. My ten digit is 6 more than my units digit i am less than 90

tatiyna

Would it be 61 ? i think i might be wrong

4 0

4 years ago