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DedPeter [7]
3 years ago
9

The domain for f(x) and g(x) is the set of all real numbers.

Mathematics
1 answer:
Tom [10]3 years ago
3 0

Answer:

Option B

Step-by-step explanation:

=> f(x) = 3x+5

=> g(x) = x^2

Subtracting both

=> (f-g)(x) = 3x+5-x^2

Assembling

=> (f-g)(x) = -x^2+3x+5

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(PLEASE HELP SOON) The ratio of the sale price of a textbook to the original price is 1:3. The original price is $81. What is th
balandron [24]
Ratio = 1:3
or in other words = sale price:original price

Therefore, it'd look like this = sale price:$81
So to work out the original price, you'd do $81 divided by 3 (81 ÷ 3 = $27).

The sale price is $27..
8 0
3 years ago
Please help me need help with algebra
BaLLatris [955]

Answer:

I believe number c is the answer  

Step-by-step explanation:


6 0
3 years ago
An actor invests some money at 9​% simple​ interest, and ​$24,000 more than three times the amount at 10​% simple interest. The
Andrew [12]

Answer:

The amount invested at 9% is $93000

The amount invested at 10% is $303000

Step-by-step explanation:

Let the amount invested at 9% interest rate be x

And the amount invested at 10% rate be y

Simple Interest from x in a year = 0.09x

Simple Interest from y in a year = 0.1y

But y = 24000 + 3x

And the sun of the interests, 0.09x + 0.1y = 38670

Now we have a simultaneous eqn

y = 24000 + 3x (eqn 1)

0.09x + 0.1y = 38670 (eqn)

Substitute y into eqn 2

0.09x + 0.1(24000 + 3x) = 38670

0.09x + 2400 + 0.3x = 38670

0.39x = 38670 - 2400

x = 36270/0.39 = $93000

y = 24000 + 3x = 24000 + 3 × 93000 = $303000

8 0
3 years ago
What is the LCM of 18 and 45 ?
zhannawk [14.2K]

Their least common multiple is  90 .

90 = 5 x 18

90 = 2 x 45
3 0
3 years ago
Use the digits 1,2,3 and 4 once each to get the largest answer possible
sukhopar [10]

Answer:

4,321

Step-by-step explanation:

This is the answer because:

1) We know that if the number has to be big therefore, we have to put 4 in the thousands place because 4 is bigger than 3, 2, and 1

2) Next, 3 is the other biggest number, for that reason 3 is in the hundreds place

3) Then, 2 is the other bigger number; therefore, the tens place is 2

4) Finally, the last number remaining is 1, which is in the ones place

Therefore, the answer is 4,321

Hope this helps!

8 0
3 years ago
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