2 years ago

Write an expression to represent the following:

Mathematics

1 answer:

nevsk [136]2 years ago

4 0

9u+5

9u represents 9 multiplied by a number.

+5 means 5 more than this product.

Hope this helps.

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Given the functions f(x) = 2x + 5 and g(x) = x2 + 8, which of the following functions represents f(g(x)] correctly?

lakkis [162]

Answer:

Choice 4.

Step-by-step explanation:

f(g(x))

Replace g(x) with x^2+8 since g(x)=x^2+8.

f(g(x))

f(x^2+8)

Replace old input,x, in f with new input, (x^2+8).

f(g(x))

f(x^2+8)

2(x^2+8)+5

Distribute:

f(g(x))

f(x^2+8)

2(x^2+8)+5

2x^2+16+5

Combine like terms:

f(g(x))

f(x^2+8)

2(x^2+8)+5

2x^2+16+5

2x^2+21

7 0

2 years ago

HELPPPPPPPP PLZZZZZ 50PTS

igomit [66]

Answer:

100

Step-by-step explanation:

5 0

2 years ago

If g(x) = x2 - 2x, find g(5) -5 5 35 15

damaskus [11]

-5 is the answer !!!!!!

3 0

2 years ago

Read 2 more answers

Eduardo has a recipe that uses 2/3 cup of flour for each batch. If he makes 4 batches, how many cups of flour will he need? How

34kurt

Answer:

4 batches: $2\frac{2}{3}$ cups

7 batches: $4\frac{2}{3}$ cups

Step-by-step explanation:

If he uses 2/3 cup of flour for each batch, then that is 2/3 four times, or 2/3 · 4.

$\frac{2}{3}$ × $\frac{4}{1}$

= $\frac{8}{3}$ = $2\frac{2}{3}$

If he makes three more, than that will be 7 batches in total. We can multiply 2/3 by 3 to find out how much will be needed for those extra three, then add that product to $2\frac{2}{3}$ .

$\frac{2}{3}$ × $\frac{3}{1}$

= $\frac{6}{3}$ = 2

$2\frac{2}{3} +2$ = $4\frac{2}{3}$

Thus, $2\frac{2}{3}$ and $4\frac{2}{3}$ are the answers.

hope this helps!

8 0

1 year ago

Help! what’s the answer. I looked it up but it’s not right too many different answers

Ne4ueva [31]

7x+2y=-17

steps:
x=2x + 5x
y=3y - y
sum=-5 -12

6 0

3 years ago