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3 years ago

Need help ASAP. Thank you.

Mathematics

1 answer:

andre [41]3 years ago

7 0

Answer:

X < 4

Step-by-step explanation:

Since the circle is not coloured sign

$\geqslant or \leqslant$

Cannot be used.

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Given that f(x) = x2 + x and g(x) = 3x + 1, find the value of g(f(-2)).

Evgen [1.6K]

Answer:

Step-by-step explanation:

$f(x) = x^2 + x\\g(x) = 3x + 1\\\\g(f(-2)) = ?\\f(-2) =?\\$

To find f(-2) , Substitute -2 for x in the given equation ;

$f(-2)= (-2)^2 +(-2)\\f(-2) = 4-2\\f(-2) = 2$

To find g(f(-2)) ;

$g(f(-2))\\f(-2) =2\\\\= g(f(-2)) = g(2)\\$

To find g(2) , substitute 2 for x in the given equation

$g(x) = 3x+1\\g(2) = 3(2)+1\\\\g(f(-2)) = 6+1\\\\g(f(-2))=7$

5 0

3 years ago

The price of a gallon of milk, rounded to the nearest dollar, is $4.00. Between what two amounts could the actual price be?

Volgvan

Answer:

$3.50 - $4.49

Step-by-step explanation:

$3.50 rounds up to $4 and $3.49 would round down to $3

$4.49 would round down to $4 and $4.50 would round up to $5

8 0

2 years ago

Read 2 more answers

The polynomial 8x2-8x+2-5+x is simplified to 8x2-gx-h. What are the value of g and h?

fenix001 [56]

The answer for G=7 and H=3
Hope this helps!

8 0

3 years ago

5/9 - 2/6 ????????????

snow_tiger [21]

The answer in a fraction format is 2/9 or decimal format will be 0.222222222

8 0

3 years ago

Ms. Lee wrote a test with 15 multiple choice short answer questions. The multiple choice questions x are worth 5 points and the

hram777 [196]

x + y = 15 and 5x + 10y = 100 are the system of equations that represent this situation

Solution:

Let "x" be the number of multiple choice questions

Let "y" be the number of short answer questions

Worth of 1 multiple choice questions = 5 points

Worth of 1 short answer question = 10 points

Ms. Lee wrote a test with 15 multiple choice short answer questions

Therefore,

number of multiple choice questions + number of short answer questions = 15

x + y = 15 -------- eqn 1

The maximum number of points possible on the test is 100

Therefore, we frame a equation as:

number of multiple choice questions x Worth of 1 multiple choice questions + number of short answer questions x Worth of 1 short answer question = 100

$x \times 5 + y \times 10=100$

5x + 10y = 100 ------- eqn 2

Thus eqn 1 and eqn 2 are the system of equations that represent this situation

6 0

3 years ago