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Honors PreCalculus Study Guide Quiz on Section 3-1 through 3-3 You should be able to … Evaluate an exponential or logarithmic expression (using your calculator) p255# 1-10 Identify the graph of an exponential and logarithmic function without the use of a calculator. P255 # 15 – 22 Know the A=Pe rt formula, and how to use it! You should be able to solve for any of the 5 variables. Switch between exponential and logarithmic notation Evaluate logarithmic expressions without a calculator. P236 # 19 – 30 Use the change of base formula Expand and condense logarithmic functions P244 # 61 – 68 (these are the more difficult problems).