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2 years ago

What's the correct value for the expression 3 x |-4 + 2| - 3 ?

1 answer:

meriva2 years ago

5 0

In PEMDAS, we start with parenthesis (absolute values count as this), which means that |-4+2|= |-2|=2, resulting in 3*2-3=6-3=3

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The table below shows some inputs and outputs of the invertible function f etc

Snowcat [4.5K]

Answer:

$(a)\ f^{-1}(-15) = -6$

$(b)\ f^{-1}(4) + f(9)=0$

Step-by-step explanation:

Given

The attached table

$(a)\ f^{-1}(-15)$

This represents an inverse function.

So, we look into x row for its value.

i.e.

$f^{-1}(-15) = -6$

$(b)\ f^{-1}(4) + f(9)$

Just like (a)

$f^{-1}(4) = -11$ ---- by looking into the x rows

$f(9) = 11$

So:

$f^{-1}(4) + f(9)=-11 + 11$

$f^{-1}(4) + f(9)=0$

4 0

2 years ago

A radio station is having a promotion in which every 12th caller receives a free concert ticket and every 15th caller receives a

marusya05 [52]

For this, we need to find the lowest common multiple of 12 and 15....

common multiples of 12 : 12,24,36,48,60
common multiples of 15 : 15,30,45,60
LCM = 60

the caller that will be the first to win both is the 60th caller

7 0

2 years ago

Read 2 more answers

What is the answer to this 5+5x=-2x+5=?

aleksklad [387]

5x = -2x
5x + 2x = 0
7x = 0
x = 0

8 0

3 years ago

Read 2 more answers

6÷258 using partial quotient

Rom4ik [11]

43 6 goes into 25 4 times equaling 24 put the 1 carry down thw 8 6 time 3 is 18 that's 43

7 0

2 years ago

Read 2 more answers

Given f(x)=x^2+3 and g(x)=x+5/x. Find (g o f)(4)

arlik [135]

To find g(f(4)), work from the inside out.

f(4) is 4^2+3, or 16+3, or 19. Now, we must find g(19).

This is 19+5/19. This is already a mixed number, though if you want an improper fraction solution, we have:

361/19+5/19

Which simplifies to:

366/19

Therefore, 366/19 is the answer.

3 0

3 years ago