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3 years ago

Which expression is equal to (f+g)(x)? f(x)=x²+3; g(x)=x-1

Mathematics

2 answers:

masha68 [24]3 years ago

8 0

It would be the same equal. g(x)=x-1. hope this helps

ankoles [38]3 years ago

6 0

Answer:

(f+g)(x) = x² + x + 2

Step-by-step explanation:

f(x) = x² + 3; g(x) = x - 1

(f+g)(x) =

= f(x) + g(x)

= x² + 3 + x - 1

= x² + x + 2

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The graph below shows the height of a projectile t seconds after it is launched. If acceleration due to gravity is –16 ft/s2, wh

nika2105 [10]

Answer:

see attached

Step-by-step explanation:

The x-coordinate of the vertex is given by ...

x = -b/(2a)

for f(x) = ax^2 +bx +c.

We see that the vertex is at x = 1, and we are given a = -16. Then we can find "b" from ...

1 = -b/(2(-16))

32 = b

We know the y-intercept of the equation is 5 (the starting height), so the equation must be ...

h(t) = -16t^2 +32t +5 . . . . . matches the last choice

5 0

3 years ago

Consider the following "generic rectangle" where the area of each region is given. Write equivalent

marta [7]

Answer:

sum: 3x² -4x -4
product: (x -2)(3x +2)

Step-by-step explanation:

The areas of four regions are given. We can simply add them to find the sum. To express them as a product, we need to look at common factors.

The total of the given area expressions is ...

3x² +2x -6x -4 = 3x² -4x -4 . . . . sum

<h3>Product</h3>

Extending the table to show common factors of each row and column, we have ...

$\begin{array}{c|c|c|}&3x&2\\\cline{1-3}x&3x^2&2x\\\cline{1-3}-2&-6x&-4\\\cline{1-3}\end{array}$

Since each cell of the table is the product of the corresponding common factors, we can write the area as the product ...

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8 0

2 years ago

3p + 7 = -4(4 - 6p) + 2

zvonat [6]

p=1

Step-by-step explanation:

$3p + 7 = - 4(4 - 6p) + 2 \\ 3p + 7 = - 16 + 24p + 2 \\ 3p - 24p = - 16 + 2 - 7 \\ - 21p = - 21$

$\frac{ - 21p}{ - 21} = \frac{ - 21}{ - 21} \\ p = 1$

3 0

3 years ago

Read 2 more answers

In Mr. Diaz’s class, 20% of the students received a grade of “A” on their report cards. There are 25 students in

Simora [160]

25/x=100/20 criss cross and u will get 500/100=5 then 5 students resivs A.

7 0

4 years ago

Read 2 more answers

How do you get the answer for 10 millimeters increased by 30%

tiny-mole [99]

First you have to find what 30% of ten is, and then add it to the 10. So how do you find 30 % of 10? In math...

"of" means ×
"is" means =

30% of 10 is
30 % × 10 =

change 30% to a decimal by dividing by 100 ( move the decimal to the left 2 places)

.30 × 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters

8 0

3 years ago