Q19 Determine whether the equation is a function x 8y 5 a

Q19. Determine whether the equation is a function. x + 8y = 5    a. function    b. not a function Q20. Determine whether the relation represents a function. If it is a function, state the domain and range.    a. function domain:{16, 20, 24, 28} range: {4, 5, 6, 7}    b. function domain: {4, 5, 6, 7} range: {16, 20, 24, 28}    c. not a function

Solution

Ans(19):

x + 8y = 5 is equation of a line and every line is a function so a. function is correct

Ans(20):

b. function
domain: {4, 5, 6, 7}
range: {16, 20, 24, 28} is correct because every x-value has unique y-value.