use the graph of the function f shown to the right to answer parts (a)-(n).

(a) find $f(-28)$ and $f(-8)$.
$f(-28) = -6$
$f(-8) = 6$

(b) find $f(24)$ and $f(0)$.
$f(24) = 6$
$f(0) = -3$

(c) is $f(8)$ positive or negative?
negative
positive

Question

use the graph of the function f shown to the right to answer parts (a)-(n).

(a) find $f(-28)$ and $f(-8)$.
$f(-28) = -6$
$f(-8) = 6$

(b) find $f(24)$ and $f(0)$.
$f(24) = 6$
$f(0) = -3$

(c) is $f(8)$ positive or negative?
negative
positive

Accepted Answer

{ "quality": "clear", "question_count": 3, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Function Evaluation", "Graphical Analysis" ], "new_concepts": [], "current_concepts": [ "Function Evaluation", "Graphical Analysis" ] } ## Evaluate function values from graph coordinates $$ \begin{aligned} &(-28, -6) \implies f(-28) = -6 \ &(-8, 6) \implies f(-8) = 6 \ &(24, 6) \implies f(24) = 6 \ &(0, -3) \implies f(0) = -3 \end{aligned} $$ ## Determine sign of f(8) $$ \begin{aligned} &(8, -6) \implies f(8) = -6 \ &-6 < 0 \implies \text{Negative} \end{aligned} $$ ## Question (a) $f(-28) = -6$ $f(-8) = 6$ ## Question (b) $f(24) = 6$ $f(0) = -3$ ## Question (c) Negative { "subject": "Mathematics", "question_type": "Multi-part", "knowledge_point": [ "Mathematics", "Algebra", "Graphical Analysis" ] }

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QUESTION IMAGE

Question

Explanation:

Evaluate function values from graph coordinates

Determine sign of f(8)

Answer:

Question (a)

Question (b)

Question (c)