### Precalculus

By: Magdelena and Josh

Chapter 11

 1 2 3 4 5 6 7 8 9 10 11 12 13

Across
1.the amount of time it takes a quantity to reach twice its initial amount.
12.logarithms that use 10 as the base.
13.y = log a x, a > 0 and a doesn't = 1, which is the inverse of the exponential function y = a to the x power.
Down
2.in the function = a to the y power, y is called the logarithm, base a, of x.
3.a function in the form y = a to the x power, where a is a positive real number.
4.exponential decay occurs when a quantity decreases exponentially over time.
5.if log x = a, then x is called the antilogarithm of a, abbreviated antilog a.
6.the part of the logarithm of a number which is the exponent of 10 used to write the number in scientific notation.
7.a function in the form y = b to the b power, where b is a real number.
8.the expression of a number in the form a x 10 to the nth power, where 1 is less than or equal to 10 and n is an integer.
9.exponential growth occurs when a quantity increases exponentially over time.
10.logarithms that use e as the base, written in x.
11.the common logarithm of a number between 1 and 10.

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