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alexdok [17]
3 years ago
15

Find f(-3) if f(x) = x 2. -9 -6 6

Mathematics
2 answers:
Zanzabum3 years ago
8 0
If you mean x * 2, then you simply plug in -3 for x in the function f(-3):

f(x) = x * 2

f(-3) = -3 * 2

f(-3) = -6

Nastasia [14]3 years ago
7 0

Answer:

The value of f(-3)=-6

Step-by-step explanation:

Find f(-3) if f(x) = x times 2

f(x)=x \cdot 2

we need to find f(-3)

f(-3) means the value of x is -3

So to find f(-3) we plug in -3 for x in given f(x)

f(x)= x \cdot

f(-3)= -3 \cdot 2= -3 \cdot 2= -6

The value of f(-3)=-6

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Find the 9th term of the geometric sequence 9, 27, 81,
amm1812

Answer:

You have to multiply the last number by 3. So 9 times 3 equals 27 and 27 times 3 equals 81 and so on. The answer would be 59,049

Step-by-step explanation:

I hope this helps!!

5 0
3 years ago
7.5% of what number is equal to 85% of 200?
Ksivusya [100]
Solving:

\frac{7.5}{100} *x =  \frac{85}{100} * 200

\frac{7.5x}{\diagup\!\!\!\!\!\!\!\!100} = \frac{17000}{\diagup\!\!\!\!\!\!\!\!100}
7.5x = 17000
x =  \frac{17000}{7.5}
x = 2266.6666... \:\to \boxed{\boxed{x \approx 2266.67}}\end{array}}\qquad\quad\checkmark
8 0
3 years ago
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Can you help me get the answer I’m just not sure if I’m right
zhenek [66]

Answer:

430in^{2}

Step-by-step explanation:

To find the area, use the area for a parallelogram formula:

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Next, substitute the values of the base and height:

A = 20in. * 21.5 in.

Finally, simplify the multiplication:

A = 430in^{2}

7 0
3 years ago
Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet ab
Lina20 [59]
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3 years ago
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If 1 + + 2 + 3 = 60, then the average (arithmetic mean) of , 2 , 3 , and 4 is equal to what
Zielflug [23.3K]

Step-by-step explanation:

1x+2x+3x=60

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