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Sedaia [141]
3 years ago
7

Please select the best answer thanks

Mathematics
1 answer:
expeople1 [14]3 years ago
4 0
(f+g)(x) = 2^x + 5x + 3x - 5
(f+g)(x) = 2^x + 8x - 5
answer
C. 2^x + 8x - 5
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Divide using synthetic division: (2x^4+2x^3+-12x^2+x+6)/(x+3)​
kap26 [50]

Synthetic division yields

..... ||   2    2   -12    1      6  

-3  ||        -6    12    0    -3

= = = = = = = = = = = = = =

..... ||   2   -4     0    1      3

which translates to

\dfrac{2x^4+2x^3-12x^2+x+6}{x+3}=2x^3-4x^2+1+\dfrac3{x+3}

5 0
3 years ago
If x varies directly as y, find x when y=8. x=11 when y=-3
andriy [413]

Answer:

x=-\frac{88}{3}

Step-by-step explanation:

When a quantity "A" varies DIRECTLY with another quantity "B", we can write the proportionality equation as:

A = kB

Where k is the proportionality constant (to be found)

In this problem, it is given x varies DIRECTLY with y, so we can write:

x = ky

Also, given, x = 11, y = -3, so we plug these into the equation and first find k:

x = ky

11 = k(-3)

k = -11/3

Now, we need to find x when y = 8, so we substitute and find x:

x=ky\\x=(-\frac{11}{3})(8)\\x=-\frac{88}{3}

8 0
3 years ago
Purple Taxi has no pick-up fee, but charges $0.25 per mile. ABC Taxi charges $3 for pick-up and $0.15 per mile. Which inequality
Ira Lisetskai [31]

gohead ask a teacher or another site

5 0
3 years ago
Read 2 more answers
David bought a computer that was 20%
maksim [4K]

Answer:

<em>The total price David paid for the computer is $933.12</em>

<em />

Step-by-step explanation:

The cost of the computer will be $1,080 with 20% off and 8% sales tax.


20% of 1080 is 1080(0.20)=216 this means 216 is 20% of 1080, so with the discount the price will be 1080-216=$864

Now we have to find 8% of 864.

864(0.08)=$69.12

So the total price will be 864+69.12= $933.12

6 0
1 year ago
F(x)=(x+1)(x+3)(x-4) in standard form
Yuri [45]

Answer:

f(x) = x^{3}-13x-12

Step-by-step explanation:

3 0
2 years ago
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