Whats 4x4 +65x67-5+8+9=

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Which expression is rational? 6. , square root two, square root 14, square root 49

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.