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2 years ago

Find the equation of the exponential function represented by the table below

Mathematics

1 answer:

Gennadij [26K]2 years ago

4 0

Answer:

y = 3^(1 + x)

Step-by-step explanation:

Notice that each time x increases by 1, y increases by a factor of 3.

Thus, the required equation has the form y = 3^x.

Check: If x = 0, do we get 3? No. Therefore we must modify the exponent:

y = 3^(1 + x)

Check: If x = 0, do we get 3? 3^(1 + 0) = 3 (correct)

If x = 2, do we get 27? 3(1 + 2) = 3^3 + 27 (correct)

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Peter plays basketball. In one game, he needs to score at least 38 points to have a

earnstyle [38]

2x + 3y > 38

I am currently on mobile, but the > should have a solid line beneath. I know that 2x + 3y needs to be greater than or equal to 38, since if he scores less than 38 points he won’t meet his season high of 1,200.

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3 years ago

5. Given: BCDF is a parallelogram; line AB is congruent to line BF

solong [7]

A and E are corresponding angles so A=E

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2 years ago

Michelle is 7 years older than her sister Joan, and Joan is 3 years younger than their brother Ryan. If the sum of their ages is

Zielflug [23.3K]

Answer:

Step-by-step explanation:

We can create a systems of equations. Assuming $m$ is Michelle's age, $j$ is Joan's age, and $r$ is Ryan's age, the equations are:

$m = j + 7$

$j = r-3$

$m+j+r = 64$

We can use substitution, since we know the "values" of m and j.

$(j+7)+(r-3)+r = 64\\(j+7)+(2r-3)=64\\2r + j + 4 = 64\\2r + j = 60\\\\$

$r = 21, j = 18$

So we know that Joan is 18 years old.

Hope this helped!

8 0

3 years ago

Please help me ASAP!!!

brilliants [131]

Answer:

The answer is 100% without a doubt A

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

you are taking a test worth 130 points. There are a total of 50 five-point and two-point questions. How many five-point question

REY [17]

Answer:

10 five-point questions and 40 two-point questions

Step-by-step explanation:

Let x represent the total number of five-point questions and y represent the total number of two-point questions.

Equation 1: 5x+2y=130

Equation 2: x+y=50

Multiplying Equation 2 by 2: 2x+2y=100 (Equation 3)

(Equation 1) - (Equation 3): 3x=30

x=10

Substituting x=10 into x+y=50: 10+y=50

y=40

Therefore, there are 10 five-point questions and 40 two-point questions.

<h2><u>Check</u></h2>

Substituting x=10 and y=40 into Equation 1:

LHS=5x+2y=5(10)+2(40)=50+80=130

RHS=130

LHS=RHS

Substituting x=10 and y=40 into Equation 2:

LHS=x+y=10+40=50

RHS=50

LHS=RHS

Since in both cases the left-hand side is equal to the right-hand side, the answer is correct.

(LHS: left-hand side, RHS: right-hand side)

6 0

3 years ago