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Videos to help GCSE Maths students learn about exponential graphs and reciprocal graphs.

How to sketch exponential graphs and reciprocal graphs?

Exponential Functions - Introduction

y = a

y = e

y = e

y = e

GCSE Exam paper practice question for AQA Higher Unit 3 Question 15 - exponential graphs

1000 bacteria are put into a Petri dish.

After 1 hour there are 2000 bacteria in the dish.

The bacteria continue to double in quantity every hour.

(a) Draw a fully labelled graph to show the number of bacteria in the dish for the first 4 hours.

(b) How many bacteria will be in the dish after 12 hours?

Show your working.

Give your answer to an appropriate degree of accuracy

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