Provide an appropriate response.What is the difference between ln a and log a?
What will be an ideal response?
Answers may vary. One possibility: The base of ln a, the natural logarithm, is e (a universal constant and irrational number that is approximately equal to 2.71828). The base of log a, the common logarithm, is 10. It is especially useful because our number system uses base 10. "ln" is only used with base e. "log" can be used with any base, but if no base is specified (as in log 
, then its base is assumed to be 10.
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Multiply. Write your answer in the form a + bi.(2 - 6i)(5 + 8i)
A. 58 + 14i B. -38 - 46i C. 58 - 14i D. -48i2 - 14i + 10
Find the zeros of the function. Give exact answers.f(x) = x2 - 3x - 9
A. 
B. 
C. 
D. 
Write the reference angle for the given angle.675°
A. 90° B. 45° C. 60° D. 30°
Complete the identity.
= ?
A. -tan 4x B. 0 C. cot 4x D. tan 2x tan 4x