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marysya [2.9K]
3 years ago
9

If f(x) = 4x + 1 and g(x) = 2x – 3, then (g(f(x)) =

Mathematics
1 answer:
-Dominant- [34]3 years ago
5 0

Answer g(x)=x2 + 2

Step-by-step explanation:

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Solve the equation.<br>5x + 8 - 3x = -10<br>x = -1<br>x=1<br>x=9<br><br><br>​
aksik [14]

Answer:

<h2>x=-9</h2>

solution,

<em>5x + 8 - 3x =  - 10 \\ or \: 5x - 3x + 8 = -10 \\ or \: 2x + 8 = -10 \\ or \: 2x = -10 - 8 \\ or \: 2x = -18\\ or \: x =  \frac{-18}{2 }  \\ x = -9</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

7 0
3 years ago
Read 2 more answers
A ball is thrown at an initial height of 7 feet with an initial upward velocity at 27 ft/s. The balls height h (in feet) after t
lianna [129]

Answer:

The height of ball is 17 ft at t=0.55 and t=1.14.

Step-by-step explanation:

The general projectile motion is defined as

y=-16t^2+vt+y_0

Where, v is initial velocity and y₀ is initial height.

It is given that the initial height is 7 and the initial upward velocity is 27.

Substitute v=27 and y₀=7 in the above equation to find the model for height of the ball.

h(t)=-16t^2+27t+7

The height of ball is 17 ft. Put h(t)=17.

17=-16t^2+27t+7

0=-16t^2+27t-10

On solving this equation using graphing calculator we get

t=0.549,1.139

t\approx 0.55,1.14

Therefore the height of ball is 17 ft at t=0.55 and t=1.14.

3 0
2 years ago
PLEASE HELP DUE IN 40 MINS!! Using the Law of Sines, find the exact answer for x.
Savatey [412]

Answer:

Step-by-step explanation:

Sin(30) / X  = Sin(45) / 12

use algebra to isolate X

1 / X = [ Sin(45) / 12  ]   /  Sin(30)

flip both sides

X =  Sin(30) / [Sin(45) /12 ]

invert the denominator on the right side

X = Sin(30) *  12/ Sin(45)

Do you know what Sin(30) is off the top of your head?

and also Sin(45) ?

these are worth remembering... and you can b/c they are just

sin(0) = 0/2

sin(30) = 1 / 2

sin(45) = \sqrt{2}/2

sin(60)= \sqrt{3} / 2

sin(90) = \sqrt{4} / 2    (aka 1)

note the numerators just counts up  0, 1, 2, 3, 4  :)  

Cos works the same way but counts from 90° back to 0 but exactly like sin other wise, hence why Cos and Sin both = \sqrt{2}/2 at 45 °

anyway

X =  1 / 2 * 12/ \sqrt{2}/2

X = 3\sqrt{2}

A=3

B= 2

:)  nice , huh

8 0
2 years ago
Which statement is true
deff fn [24]
I would say the answer is D.
6 0
3 years ago
Read 2 more answers
Find the product of (3 + 7)) (1 - 1), and write the answer in<br> standard form.
Mnenie [13.5K]

Answer:

10*0=0

Step-by-step explanation:

7 0
2 years ago
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