Q:
# What Is Precalculus Practice?

**Students wanting to practice their precalculus skills should review translating and graphing functions, trigonometric identities, proofs and common values, exponential and logarithmic functions and their properties, and quadratic and polynomial functions.** Precalculus is largely focus on algebra and trigonometry because a solid understanding of both of these subjects is needed to move on to calculus.

Credit:
Marilyn Nieves
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While calculators are needed and often encouraged in calculus-level mathematics, precalculus is often done without the use of calculators to ensure that students have a thorough mastery of the basic concepts, and are not relying on the functions and programs present in most graphing calculators to compute problems.

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