2 years ago

Given g(x)=-2x-1g(x)=−2x−1, find g(-4)g(−4)

Mathematics

1 answer:

nydimaria [60]2 years ago

4 0

Answer:

Step-by-step explanation:

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(V2.00)<br>Rewrite f(x) = -2(x - 3)2 + 2 from vertex form to standard form.<br>

Mashutka [201]

Answer:

The standard form of the quadratic equation is $f(x)=-2x^{2}+12x-16$

Step-by-step explanation:

we know that

The standard form of a quadratic equation is

$f(x)=ax^{2}+bx+c$

we have

$f(x)=-2(x-3)^{2}+2$

convert to standard form

$f(x)=-2(x-3)^{2}+2\\f(x)=-2(x^{2} -6x+9)+2\\f(x)=-2x^{2}+12x-18+2\\f(x)=-2x^{2}+12x-16$

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2 years ago

After 2 hours, Ernie had travelled 192 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

Marysya12 [62]

Answer:

the answer is "480"

Step-by-step explanation:

so 192 divided by 2 hours is 96 so thats 96 miles per hour then I simply do 96 x 5 hours

4 0

2 years ago

Read 2 more answers

Help I need answers fast

Jobisdone [24]

Answer:

In step 5, andrew made a mistake by subtracting 9.8 instead of adding 9.8. Andrew should've have obtained the answer -2, but because of his mistake the answer is incorrect.

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2 years ago

A spa employs 54 people. Management wants to gather data about current and future services for clients. A random sample of 22 em

Igoryamba

Answer:

Step-by-step explanation:

i choose (c) because that the answer

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3 years ago

425 school children were surveyed about what they want to be when they grow up, out of a choice of five professions. The results

hammer [34]

Given:

425 school children

Teacher : 80
Doctor : 105
Lawyer : 70
Police Officer : 70
Firefighter : 100
Total = 425

After applying Pearson's chi-squared test, it is concluded that this data reflects a real difference in the population.

$x^{2} = summation ((O_i - E_i)^2/E_i)$

6 0

3 years ago