document.write( "Question 153042: How many real zeroes are there in f(x) = (x + 3)(x – 4)(x + 6)(x^2 + 7)?
\n" ); document.write( "@ This is fairly straightforward. Only the last factor results in imaginary solutions
\n" ); document.write( "a. 3
\n" ); document.write( "b. 5
\n" ); document.write( "c. 4
\n" ); document.write( "d. None of the above \n" ); document.write( "

Algebra.Com's Answer #112491 by jim_thompson5910(35256) $\"\"$ $\"About$

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Since there are 4 factors and \"the last factor results in imaginary solutions\", this means that there are 3 factors that yield real solutions. So the answer is a) 3 \n" ); document.write( "

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