Need some help Express the following in English and then det

Need some help!

Express the following in English and then determine if it is true. Explain fully.

Solution

a) is true on solving we get x=3,-3 these two values are integers only.

b) is false the inequality is true from greater than or equal to 5. but not for all real numbers.

c) is true. if we give any real value to x then there exists a real number to y