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3 years ago

Which is a y-intercept of the graphed function? (–9, 0) (–3, 0) (0, –9) (0, –3)

Mathematics

2 answers:

Nana76 [90]3 years ago

8 0

Answer:

C is the answer

Step-by-step explanation:

The Y intercept of the graphed function would be,

(0,-9) because the graph (which is a function) intercepts on (0,-9) therefore the function's y-intercept is,

b= -9

zaharov [31]3 years ago

7 0

Answer:

Correct option is:

(0,-9)

Step-by-step explanation:

Y-intercept are those points where the value of x equals zero or from the graph we can say y-intercept are those points where the graph meets the y-axis

So, (-9,0) and (-3,0) are incorrect options.

Also, (0,-3) is incorrect

since, as we can see the graph it doesn't passes through that point.

so, we are left with only one option

Hence, the correct option is:

(0, -9)

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Acidity is measured on the pH scale. The acidity of a substance is given by pH=−logH, where H is the concentration of Hydrogen i

frosja888 [35]

Answer:

[H^+] = Antilog[-6]

Step-by-step explanation:

Even though the question is incomplete, let us try to correctly derive the equation used to find the hydrogen ion concentration.

pH=−log[logH^+]

-pH = log[H^+]

[H^+] = Antilog[-pH]

Since pH =6

The equation is;

[H^+] = Antilog[-6]

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3 years ago

Read 2 more answers

Determine the equation of g(x) that results from translating the function f(x) = x2 + 9 upward 11 units.

Afina-wow [57]

$g(x)=x^2+9+11=x^2+20$

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3 years ago

A survey found that 31% of all teens buy soda (pop) at least once each week. Seven teens are randomly selected. The random varia

kumpel [21]

Answer:

The value of n is 7.

Step-by-step explanation:

For each teen, there are only two possible outcomes. Either they buy soda at least once each week, or they do not. Since they were selected randomly, the teens are independent of each other, which means that we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In the binomial distribution, we have that n is the size of the sample. In this question, seven teens are randomly selected, which means that the value of n is 7.

7 0

3 years ago

Harry ,Louis and Niall Are working with exponents. Harry claims 4^2•4^5=4^10 Louis claims 4^2•4^5=4^7 Niall claims 4^2•4^5=16^7

slavikrds [6]

Answer:

Louis is correct

Step-by-step explanation:

we know that

When multiplying two powers that have the same base, you can add the exponents

$a^{n} a^{m}=a^{n+m}$