3 years ago

If (x) = 2х2 + 1 and g(x) = х2 -7, find (f+ g)(x).

Mathematics

1 answer:

astraxan [27]3 years ago

7 0

Answer is C ! :) amazing

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Find the perimeter of shape ABCDE

EleoNora [17]

Answer:

Perimeter of a triangle = 2*(length + breadth)

SO = 2*18+41

= 77 is the perimeter

6 0

3 years ago

Find the simplified form of (-3)^-4 A. 12 B. -81 C. 1/81 D. -1/81

denpristay [2]

-3 ^-4 = 1/81

the answer is C

4 0

3 years ago

Read 2 more answers

Last time, one out of every 4 students in our class was absent. This time, after Jen came back, only one out of every 5 students

VMariaS [17]

Answer: There are 20 students and 4 students are not here today.

Step-by-step explanation:

If the number of students = 4

Let the number of students be 'x'.

Fraction of students absent = $\dfrac{x}{4}$

If the number of students = 5

Fraction of students absent = $\dfrac{x}{5}$

And Jen came back,

So, the fraction of student absent is also written as

$\dfrac{x}{4}-1$

According to question, it becomes,

$\dfrac{x}{5}=\dfrac{x}{4}-1\\\\\dfrac{x}{5}=\dfrac{x-4}{4}\\\\4x=5(x-4)\\\\4x=5x-20\\\\4x-5x=-20\\\\-x=-20\\\\x=20$

Hence, there are 20 students in our school.

And number of students are not here today is $\dfrac{20}{5}=4$

3 0

3 years ago

A school club sold 300 shirts. 31% were sold to fifth graders, 52% were sold to sixth graders, and the rest were sold to teacher

Yuri [45]

You would do 300• 31/100 to get 90. I’m pretty sure that’s right

4 0

3 years ago

What is the value of -3|15 - s| + 2s3 when's = -3

slamgirl [31]

-3|15 - s| + 2s^3 when s = -3 is
-3|15 - (-3)| + 2(-3)^3 = -3|15 + 3| + 2(-27) = -3|18| + (-54) = -3(18) - 54 = -54 - 54 = -108

6 0

3 years ago