Which of the following is a true statement about functions? a. if f and g are functions, the (fog)(x)=(gof)(x).
b. if a and b are matrices, then ab=ba.
c. if f and g are functions then (f+g)(x)=(g+f)(x).
d. if f is a function, then f(a+h)=f(a)+f(h)

Tickets to an orchestra concert cost $25.50 apiece plus a & 2.50 handling fee for each order. if jamal spent $79 how many ticket did he purchase

This is different from the first one can someone me

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: