MATHEMATICS HIGH SCHOOL

F(x) = x + 4
G(x)= 3x
What is the value of fg(7)

Answers

Answer 1
Answer:

Answer:

fg(7) = 231

Step-by-step explanation:

The question is asking you to find fg(7), which is function of f times function of g when x = 7. To solve it, you just need to plug in the 7 where x is in both equation and then multiply these results.

f(x) = x + 4

f(7) = 7 + 4

= 11

g(x) = 3x

g(7) = 3(7)

= 21

fg(7) = 11 × 21 = 231

Related Questions

A team t-shirt costs $3 per adult and $2 per child. On a certain day, the total number of adults (a) and children (c) who bought shirts was 100, and the total money collected was $275. Which of the following options represents the number of children and the number of adults who purchased team shirts that day, and the pair of equations that can be solved to find the numbers? A.) 75 children and 25 adults Equation 1: a + c = 100 Equation 2: 3a − 2c = 275 B.) 75 children and 25 adults Equation 1: a + c = 100 Equation 2: 3a + 2c = 275 C.) 25 children and 75 adults Equation 1: a + c = 100 Equation 2: 3a − 2c = 275 D.) 25 children and 75 adults Equation 1: a + c = 100 Equation 2: 3a + 2c = 275
The resale value of a textbook decreases by 25% with each previous owner. A new textbook is sold for $85. Which function represents the resale value of the textbook after x owners?
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The rectangle is 20 by 16 and the scale factor is 0.25. What are the dimensions of the reduced rectangle?

Answers

Answer:

1,280

The dimensions are 5 by 4

Step-by-step explanation:

You multiply 20 and 16 then, divide 0.25 then you get 1,280

Answer:1,280

Step-by-step explanation:

How is the numeral 35.012 written in words and why

Answers

Thirty-five and twelve thousandths because...
35 is just thirty-five
The decimal point in words is 'and'
And the 012 goes to the thousandths place...
One place after the decimal place is tenths
Two places is hundredths
And three places is thousandths
Does that help?

Find the value of the sec 19° using your calculator.A. 0.989
B. 0.946
C. 1.058
D. 1.011

Answers

secant is the inverse of cosine. In this case, using a calculator cosine of 19 degrees in degrees mode, is equal to 0.9455. The reciprocal of this number is the answer to the expression secant 19 equal to 1.058. answer then is equal to C.

1 Simplify Expression 1.
(D+5)+(d+5)+(d+5)

Answers

Answer:

Final Answer: 3d+15

Step-by-step explanation:

d+5+d+5+d+5

5+5+5= 15

d+ d+ d= 3d

500 seconds equal how many Giga seconds?0.0000005

0.000005

0.00005

0.0005

Answers

1 second = 0.000000001 Giga seconds

500 * 0.000000001 = 0.0000005 Giga seconds

Final answer:

500 seconds equates to 0.0000005 gigaseconds. This is determined by dividing 500 seconds by 1,000,000,000 seconds (the number of seconds in a gigasecond).

Explanation:

In the field of physics, the measure of time can be broken down into various units. The smallest unit is the second. Higher units include kiloseconds, megaseconds, and gigaseconds. One gigasecond (Gs) is equal to 109 seconds or 1,000,000,000 seconds.

To convert 500 seconds into gigaseconds, you need to divide 500 by 1,000,000,000.

So, 500 seconds = 500 / 1,000,000,000 Gs.

This calculation results in 0.0000005 Gs, which is your answer.

Learn more about Time Conversion here:

brainly.com/question/36044379

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Use the Quadratic Formula to solve

x²-13x+42=0

Answers

Answer:

x1=7,

x2=6

Step-by-step explanation:

x²-13x+42=0

a=1, b=-13, c=42

x1,2=(-b+-sqrt(b^2-4ac)) /2a

x1,2=(-(-13)+-sqrt((-13)^2-4*1*42))/2*1

x1,2=(13+-sqrt (169-168))/2

x1,2=(13+-sqrt(1))/2

x1,2=(13+-1)/2

x1=(13+1)/2, x2=(13-1)/2

x1=14/2, x2=12/2

x1=7, x2 =6
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