I don’t get it need help

Answers

Answer 1

Answer: For all question 3 you just need to work out the answers and show your working out :)

a. 297
b. 567
c. 837
d. I added the tens together and the units

4. a. 10
i don't know the rest

5. a. 0.68
b. 1.34

6. a. ???
b. 1 2/5

7. a. 0.50 - 1 - 06.00? - 700.00
b. 0.80 - 9 - 31.00? - 600.00

I think that's correct ;)

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Find the product 8x(2x^2+8x-5)

Answers

Answer:

16x^3 +64x^2 -40x

Step-by-step explanation:

Use the distributive property. The factor outside parentheses multiplies each term inside parentheses:

8x(2x^2 +8x -5) = (8x)(2x^2) +(8x)(8x) +(8x)(-5)

= 16x^3 +64x^2 -40x

Which graphs represent functions?

Answers

i would say the answer is c. only graph d ,, think of the line test to see if a graph is a function or not

Final answer:

Graphs that represent functions have one input corresponding to one output. Examples include straight lines, parabolas, and sine waves.

Explanation:

Graphs that represent functions are those in which every input has exactly one output. In other words, there can only be one value of y for each value of x. For example, a straight line, a parabola, or a sine wave are graphs that represent functions.

On the other hand, graphs that do not represent functions may have one input value mapping to multiple output values or no output values at all. Examples of such graphs include circles, ellipses, or a graph with one vertical line intersecting it at multiple points.

It's important to note that in a function, the vertical line test can be used to determine if a graph represents a function. If any vertical line intersects the graph at more than one point, then the graph does not represent a function.