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NeX [460]
3 years ago
7

If f(x)=3x^2 and g(x)= x+2, find (f *g) (x)

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0
Hi there

(f *g) (x) =3x^2×(x+2)
(f *g) (x)=3x^2×x+3x^2×2
(f *g) (x)=3x^3+6x^2

So it's c

Best of luck!
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i think of a number. if i divide the sum of 5 and the number by 3, the result is 2 less than one quarter of the number. find the
Marrrta [24]

Answer:

x = 4.75

Step-by-step explanation:

<u>(5 +X</u><u> )/3</u>  = 2 - <u> X/4</u>

<h3>   <u>(5 +X</u><u> )/3</u>  = 8 - X  </h3><h3>5+ X = 3 (8 - X)   </h3><h3>  5+ X = 24 - 3X transposing terms</h3><h3>X+ 3X= 24 -5</h3><h3>   4X = 19</h3><h3>      X = 19/4 </h3><h3>X = 4.75</h3>
7 0
3 years ago
Please help!!!!! 10 Points!! (i only have 23)
Ivan
The answers are going to be: D & E

Explanation:
Any number that was multiplied by less then one is going to be your answer. :)
6 0
3 years ago
X-y=6<br> 2x-3z=16<br> 2y+z=4<br><br> Solve the systems of equations.
Neko [114]

Answer:

Given System of equation:

x-y =6                                  .....,[1]

2x-3z = 16                           ......[2]  

2y+z = 4                              .......[3]

Rewrite the equation [1] as

y = x - 6                                .......[4]

Substitute the value of [4] in [3], we get

2(x-6)+z = 4

Using distributive property on LHS ( i.e,  a \cdot (b+c) =a \cdot b+ b \cdot c )

then, we have

2x - 12 +z =4

Add 12 to both sides of an equation:

2x-12+z+12=4+12

Simplify:

2x +z = 16                         .......[5]

On substituting equation [2] in [5] we get;

2x+z=2x -3z

or

z = -3z

Add 3z both sides of an equation:

z+3z = -3z+3z

4z = 0

Simplify:

z = 0

Substitute the value of z = 0 in [2] to solve for x;

2x-3(0) = 16

or

2x = 16

Divide by 2 both sides of an equation:

\frac{2x}{2} =\frac{16}{2}

Simplify:

x= 8

Substitute the value of x =8 in equation [4] to solve for y;

y = 8-6 = 2

or

y = 2

Therefore, the solution for the given system of equation is;  x = 8 , y = 2 and z =0

5 0
3 years ago
What is point-slope form? When can you use point-slope form? How is it useful?
arsen [322]
After solving an equation in Point Slope Form, you're directly given the slope intercept form which is y=mx +b
5 0
3 years ago
IA...
kompoz [17]

² = QR² - QT²

= 13² - 5²

= 169 - 25

= 144

TR = √144

TR = 12 cm

Menentukan panjang PR

PR = 2 × TR

= 2 × 12 cm

PR = 24 cm

8 0
2 years ago
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