Plz ! + brainliest

a portion of the graph of f(x) = −x2 − 10x − 21 is shown. which of the following describes all solutions for f(x)?

a. (x, x2 − 10x − 21), where −7 ≤ x ≤ −3
b. (x, y), where −7 ≤ x ≤ −3
c. (x, x2 − 10x − 21), where −8 ≤ x ≤ −2
d. (x, y) for all real numbers

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees. (10 points)

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.