4+2(1+3x) whats the answer?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52