Martha wrote an example of a quadratic function for a homework assignment. The function she wrote is shown. Martha's Work f of x is equal to 5 x cubed plus 2 x squared plus 7 x minus 3 What possible changes can Martha make to correct her homework assignment? Choose two correct answers.
Answer
A
The constant, negative 3 , can be changed to a variable.
B
The exponent on the second term, 2 x squared , can be changed to a 3 and then combined with the first term, 5 x cubed .
C
The first term, 5 x cubed , can be eliminated.
D
The 7 x can be eliminated.
E
The exponent on the first term, 5 x cubed , can be changed to a 2 and then combined with the second term, 2 x squared .