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zmey [24]
3 years ago
10

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

abola opening down and passing through negative 7 comma 0 and negative 3 comma zero with endpoints at negative 8 comma negative 5 and negative 2 comma negative 5
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
Mathematics
2 answers:
Ket [755]3 years ago
7 0

Answer:

the answer is A

Step-by-step explanation:

you pluy in each number for the portion of the function in the graphing calculator and get the answer

lana66690 [7]3 years ago
6 0

Answer: I believe the answer is A) (x, x2 − 10x − 21), where −7 ≤ x ≤ −3

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