Question

B. Answer the following questions:
1. What do you mean by a formula?
2. Describe how MS Excel is a useful software?
3. Write the common way of writing a function.
4. What do you mean by a function? Give an example​

Answer 1

1- A group of sign, letters or numbers used in science or mathematics to express a general law or fact

2- Ms Excel is a spreadsheet program. That's mean it's used to create grid of text, numbers and formulas specifying calculation.

4- a relation from a set of inputs is related to exactly one output.

example, y= 3x

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