2 years ago

What is f(x) in the expression?

Mathematics

1 answer:

gulaghasi [49]2 years ago

8 0

$f(x) = 7x {}^{2} - 3x {}^{4}$

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Solve 3 x - 9 x + 7 - 3 = -8.

erik [133]

Answer: x=2

3x−9x+7−3=−8

Step 1: Simplify both sides of the equation.

3x−9x+7−3=−8

3x+−9x+7+−3=−8

(3x+−9x)+(7+−3)=−8

−6x+4=−8

−6x+4−4=−8−4

−6x=−12

−6x

−6

−12

−6

x=2

3 0

3 years ago

Use the following function to find f(9)<br> f(x) = 6x<br> f(9)=

san4es73 [151]

Answer:

f(9)=54

Step-by-step explanation:

Subsitute 9 for x in f(x)=6x

$f(9)=6(9)=54$

6 0

2 years ago

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What is the area of a parallelogram whose vertices are A(−12, 2) , B(6, 2) , C(−2, −3) , and D(−20, −3) ? Enter your answer in t

agasfer [191]

Answer:

$\boxed{90}\,\text{units$^2$}$

Step-by-step explanation:

The sides AB and CD are parallel to the x-axis and 5 units apart. The length of side AB is 6-(-12) = 18 units. The area is the product of these dimensions:

Area = (Base)(Height) = (18 units)(5 units) = 90 units²

4 0

3 years ago

What is 0.4% of 1000?

alexandr1967 [171]

0.4% = 0.04
0.04 * 1000 = 4
the answer is 4 hope I helped you out!

7 0

2 years ago

Add: 7/8 + 5/6 .......

Rashid [163]

Answer:

1 17/24

Step-by-step explanation:

To add fractions, find the LCD and then combine.

Exact Form:

41/24

Decimal Form:

1.7083

Mixed Number Form:

1 17/24

6 0

3 years ago

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What is f(x) in the expression?​

What is f(x) in the expression?