Let pn denote the vector space of polynomials in the variable x of degree n or less with real coefficients. let d2: p3→p1 be the function that sends a polynomial to its second derivative. that is, d2(p(x))=p′′(x) for all polynomials p(x)∈p3. is d2 a linear transformation?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

What multiplys to be 1 but adds up to be 4

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer