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The unit matrix is every ##n##x ##n## square matrix made up of all except for the elements of the main diagonal that are all ones. For […]

f(3)= 46 f(-4)= 277 f(3)= ##3^4 -8*3-11= 81-24-11=46## f(-4)= ##(-4)^4 – 8(-4)-11= 256+32-11=277##

##f^(-1)(9) = f^(-1)(f(2)) = 2## If ##f## is a one-to-one function then its inverse function ##f^(-1)## is well-defined. What does the inverse do ? Exactly what […]

##e^(-ln(x)) = 1/x## ##color(brown)(Total rewrite as changed my mind about pressentation.)## ##color(blue)(Preamble:)## Consider the generic case of ## log_10(a)=b## Another way of writing this is ##10^b=a## […]

WileyPLUS precalculus

evaluate each expression: log4 (256)

Find two numbers whose sum equals 18 and whose product equals 78

I have 28 lessons and 1 exam I need completed

Question 45 on attachment