Which graph shows an increasing exponential function with a y-intercept of 4?
2 answers:
Answer: Well, you never actually included any instruction, but, i'm gonna say it is the top right graph.
Step-by-step explanation:
You can deduce that the bottom two are not as the bottom right is going at a consistent rate which makes it linear, the bottom left would be the case if it was an x-intercept of 4. The top left graph is going into the negative x-axis meaning that as x were decreasing, y would be increasing and it is asking for an entire exponential function so you are left with the top right which is in the positive x and y axis and intercepts the y-axis at 4.
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For proportionality constant problems, set up the equation as,
,
Where x and y are the two variables you are comparing and <em>K </em>is the proportionality constant. If we take <em>Caramel Corn </em>values as x and <em>Cheddar Corn </em>values as y, and then solve for <em>K </em>for each ratio lines, we will get the same answer. Let's check.
,
, and
.
Hence, the proportionality constant, in this case <em>K,</em> is equal to or 1.5. First answer choice is correct.
ANSWER: 1.5
Sam measures the height of 7 different scoops of ice cream. The mean height was 3.8 cm. If all the scoops are evenly distributed, they would all be 3.8 cm tall.
<h3>How to find the mean value of a data set?</h3>The mean value of the data set is the ratio of the sum of the data set's values to the number of values it has.
If the data set consists of values
x_1, x_2, ..., x_n
, then we get the mean value as:
Sam measures the height of 7 different scoops of ice cream. The mean height was 3.8 cm.
mean=
Therefore, If all the scoops are evenly distributed, they would all be 3.8 cm tall.
Learn more about mean;
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