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ra1l [238]
3 years ago
6

Use synthetic substitution to find g(2) and g(-7) for the function g(x)=5x^4 - 3x^2 +6x-4

Mathematics
1 answer:
Nina [5.8K]3 years ago
8 0
G(x) = 5x^4 - 3x^2 + 6x - 4 

g(2) = 5(2^4) - 3(2^2) + 6(2) - 4
g(2) = 5(16) - 3(4) + 12 - 4
g(2) = 80 - 12 + 12 - 4
g(2) = 76

g(-7) = 5(-7^4) - 3(-7^2) + 6(-7) - 4
g(-7) = 5(2401) - 3(49) - 42 - 4
g(-7) = 12005 - 147 - 42 - 4
g(-7) = 12005 - 193
g(-7) = 11812
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You earn $9 per hour babysitting. This is $2 more than what you earned per hour last year. What did you earn last year?
slamgirl [31]
$7 is the correct answer for *per hour*, as 9-2=7. Notice how it says how much did you earn last year, implying total earned. How many hours did you work last year?
4 0
3 years ago
Read 2 more answers
Solve this system by substitution. y = 5x - 15 y = 2x - 6 *Remember to write your answer as a coordinate point (x,y Solve this s
oksano4ka [1.4K]
5x - 15 = 2x - 6
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x = 3
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7 0
2 years ago
50,000 x (2 + 5/100)<br> 50,000 x (3 + 5/100)<br> 50,000 x (4 + 5/100)<br> 50,000 x (5 + 5/100)
ELEN [110]

Answer:

Solution for What is 5 percent of 50000:

5 percent *50000 =

( 5:100)*50000 =

( 5*50000):100 =

250000:100 = 2500

Step-by-step explanation:

7 0
3 years ago
7. In a state lottery, a player must choose 8 of the numbers from 1 to 40. The lottery commission then performs an experiment th
Vlad1618 [11]

Answer:a) P(8 of the players numbers are drawn)=1.3×10^-8

b) P(7 of the players number are drrawn)=3.33×10^-c) P(at least 6 of the players number were drawn)=1.84×10^-4

Step-by-step explanation:

Players has 8 combinations of numbers from 1-40. The outcome S contains all the combinations of 8 out of 40

a) P(8 of the players numbers are drawn)= 1/40/8= 1.3×10^-8

There are one in hundred million chances that the draw numbers are precisely the chosen ones.

b) Number of ways of drawing 78 selected numbers from 1-40=8×(40-7)

8×32

P(7 of the players number are drawn)=8×32/40 =3.33×10^-6.

There are approximately 300,000 chances that 7 of the players numbers are chosen

c) P(at least 6 players numbers are drawn)= 32/2×(8/6) ways to draw.

P(at least 6 players numbers are drawn)=P(all 8 chosen are drawn)+P(7 players numbers drawn)+P(6 chosen are drawn) = 1+ 8 x32/40/8 +[8\6 ×32/2]

P(at least 6 players numbers are drawn) = 1.84×10^-4.

There are approximately 5400chances that at least6 of the numbers drawn are chosen by the player.

5 0
3 years ago
Find the solutions for x when y is equal to 0.<br> y = x2 - 3x -18
denis23 [38]
Y = x² - 3x - 18

When y = 0,

x² - 3x - 18 = 0

<span>(x + 3)(x - 6) = 0
</span>
x = -3 or x = 6
3 0
2 years ago
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