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Marina86 [1]
2 years ago
6

Help me solve this pls

Mathematics
1 answer:
Anna11 [10]2 years ago
3 0

Answer:

B.) f(x) = |x|  ,  g(x) = 9x + 2

Step-by-step explanation:

The expression f о g = H is identical to f(g(x)) = H. In other words, when you put the function g(x) in the "x" position of the f(x) function, it should look like the H(x) function.

If g(x) = 9x + 2, put the entire function in for "x" in f(x) = |x|. Once you do this, you get the function f(g(x)) = |9x + 2|.

You might be interested in
What’s the answer to this question below. A b c or d
forsale [732]

Answer:

x = 4

Step-by-step explanation:

You have to remember the "Quotient Rule" for exponent having same base.

The quotient rule tells us that we can divide two powers with the same base by subtracting the exponents.

Here,

base = 3

exponents = 2x + 1 , x + 5

   

3^(2x + 1) = 3^( x + 5)

3^(2x + 1) / 3^(x + 5) = 1

3^((2x + 1) - (x + 5) )= 1

3^(2x + 1 - x - 5) = 1

3^(2x - x +1 - 5) = 1

3^(x - 4) = 1

log 3^(x - 4) = log(1)

(x - 4) (log (3)) = 0

log(3) = 0 rejected

x - 4 = 0 accepted

x = 0 + 4

x = 4

4 0
3 years ago
Read 2 more answers
MONEY Dinner and admission tickets to the aquarium costs $180 for three ladults. If two people each pay $70, how much will the t
EastWind [94]

if three ladult where having $180,and two adults out of the three pay$70 each

the third person Will pay $40

6 0
2 years ago
Help plz which one is it?
Alina [70]
The answer is A

Reasoning;

<span>a1 = first term;
an</span><span>= </span>a<span>n-1</span><span> + </span><span>d
</span>In a sequence you add the first term (a1) with the second term in a repeating linear equation. In this one you need to add 4 to each term so, the equation is;

a1 = 2
an = an -1 + 4

creating:
2 6 10 14 18 22 26... 
3 0
4 years ago
A particular brand of dishwasher soap is sold in three sizes: 25 oz, 40 oz, and 65 oz. Twenty percent of all purchasers select a
Elodia [21]

Answer:

Step-by-step explanation:

Given that:

There are 3 sizes of dishwasher soaps.

Twenty percent of all purchasers select a 25-oz box, 50% select a 40-oz box, and the remaining 30% choose a 65-oz box. Let X1 and X2 denote the package sizes selected by two independently selected purchasers.

Therefore, 3 \times 3 = 9 random samples of size 2 are taken from the population.

The information is well represented in the table below.

x_1     x_2     p(x_1 \ x_2) = p(x_1)p(x_2)    \bar x = \dfrac{x_1+x_2}{2}     s^2= (x_1-\bar x)^2 +(x_2-\bar x)^2

25    25    0.20×0.20=0.04        25                              0

25    40    0.20×0.50=0.10         32.5                         112.5

25    65    0.20×0.30= 0.06        45                            800

40    25    0.50×0.20=0.10         32.5                          112.5

40    40    0.50×0.50=0.25         40                             0

40    65    0.50×0.30=0.15          52.5                         312.5

65    25    0.30×0.20=0.06        45                             800

65    40    0.30×0.50=0.15          52.5                         312.5

65    65    0.30×0.30=0.09         65                              0

The sample distribution of \bar x is shown below as ;

\bar x           25        32.5              40       45                  52.5          65

p(\bar x)       0.04   0.10+0.10      0.25   0.06+0.06    0.15+0.15    0.09    

                       = 0.20                      =0.12              =0.30

The value of E(\bar x) = \sum \bar x  \ P(\bar x)

=  25(0.04) + 32.5(0.20) + 40(0.25) + 45(0.12)  +  52.5(0.30)  +  65(0.09)

= 44.5 oz

From the same table above ;

the sampling distribution of {s^2} is be shown below;

{s^2}          0                          112.5            312.5             800

           0.04+0.25       0.10+0.10     0.15+0.15        0.06+0.06

          +0.09

p(s)^2   = 0.38                =0.20           = 0.30               0.12

The value of E(s)^2  =\sum s^2 .p(s)^2

= (0×0.38)+(112.5×0.20)+(312.5×0.30)+(800×0.12)

=0+112+93.75+96

=301.75

5 0
4 years ago
If the point A (6,9) is translated 4 units left, then find the new coordinates of the point A.
Alex_Xolod [135]

Answer:

(2, 9 )

Step-by-step explanation:

A translation of 4 units left is equivalent to subtracting 4 from the value of the x- coordinate, that is

(6, 9 ) → (6 - 4, 9 ) → (2, 9 )

6 0
3 years ago
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