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What is the volume of this square pyramid?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]