Which equation represents a nonlinear function? a. y=-3x+1 b. y=x^2+1 c. y=x/2+1 d. y=2x+1/2

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6