18. a) Clearly explain how would you graph the function $y = (3)2^x+3$ from the original function $y = 2^x$. b) Draw a sketch of the function. 19. Use the definition of the logarithm to explain why logarithms are defined only for a positive argument. /2 20. Explain how you evaluate a logarithm in base 5 by using a calculator that only performs calculations in base 10. Give an example. /2
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Step 1: To graph the function y = (3)2+3 from the original function y = 2x, we need to substitute the value of x in the original function and then calculate the corresponding value of y. Show more…
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