Will mark brainliest if
given two functions
j(x)=−4x+2
k(x)=5+4x
what is the function rule for (kj)(x)?
a. (kj)(x)=−16x2−12x+10
b. (kj)(x)=16x2+12x−10
c. (kj)(x)=16x2−12x−10
d. (kj)(x)=−16x2+12x+10

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Which of the following contains a variable?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x