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MA_775_DIABLO [31]
3 years ago
10

If f(x)=2x^2-30 find f(4)

Mathematics
1 answer:
Fudgin [204]3 years ago
4 0

Answer:

The Answer is 2

Step-by-step explanation:

2(4)2-30=x

2(16)-30=x

32-30=x

2=x

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Determine whether the solution of -2x = -15 is<br> Greater than or less than -15
brilliants [131]

Positive numbers are always greater than -15. Therefore, it's a greater than.

-2x = - 15

Dividing both sides by -2, we get

x = 7.5

Negative cancels on both sides, so we get a positive equation.

Positive numbers are always greater than -15. Therefore, it's a greater than.

What is greater than or less than?

  • Greater than and less than are the comparison symbols.
  • When the number is bigger or smaller than the other, then greater than and less than symbols are used.
  • If the number is greater than the other, the greater than (>) symbol is used.
  • If the number is lesser than the other, the less than the (<) symbol is used.

To learn more about greater than and less than, visit: brainly.com/question/15746367

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1 year ago
Please help! I will mark you as brainliest!
lisov135 [29]

Answer:

7/9

Step-by-step explanation:

Think of 1 as being 9/9. The difference between 9/9 and 2/9 is 7/9, which is the answer

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2 years ago
Evaluate the expression, when x = 3.2x + 4(x - 2)a910ObocOd118
love history [14]

The initial expression is:

2x + 4(x - 2)

Replacing x by 3, we get:

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6 + 4

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