38. Find the intercepts of f(x) = -x² + 4.x + 12. %3D (A) x-intercepts: {-3,5} and y-intercept 12 (B) x-intercepts: {-2,6} and y-intercept -12 (C) x-intercepts: {-3,5} and y-intercept –12 (D) x-intercepts: {-2,6} and y-intercept 12 39. Which of the following functions is graphed below? -6 -20 -40 (A) ƒ(x) = –2 (x + 1)² + 5 (B) f(x) = 2(x + 1)² – 5 (C) f(x) = 2 (x – 1)² – 5 (D) ƒ(x) = -2(x – 1)² + 5 %3D - 40. Solve the inequality x2 – 4x – 5 > 0. (A) (-∞, –5] U [1, 00) (C) (-∞, – 1] U [5, 0) (D) (-∞, 1] U [5, ∞0) (B) R 41. Identify the true statement about the given polynomial. f (x) = -8x® – 5.x7 – 4x6 + 2x³ + 5x³ + 7 (A) Number of terms means there at most 6 turning points. (B) Degree means that there are a maximum of 8 zeros. (C) Constant means there are 7 complex zeros. (D) Lead coefficient mans there are exactly 8 maximums.
38. Find the intercepts of f(x) = -x² + 4.x + 12. %3D (A) x-intercepts: {-3,5} and y-intercept 12 (B) x-intercepts: {-2,6} and y-intercept -12 (C) x-intercepts: {-3,5} and y-intercept –12 (D) x-intercepts: {-2,6} and y-intercept 12 39. Which of the following functions is graphed below? -6 -20 -40 (A) ƒ(x) = –2 (x + 1)² + 5 (B) f(x) = 2(x + 1)² – 5 (C) f(x) = 2 (x – 1)² – 5 (D) ƒ(x) = -2(x – 1)² + 5 %3D - 40. Solve the inequality x2 – 4x – 5 > 0. (A) (-∞, –5] U [1, 00) (C) (-∞, – 1] U [5, 0) (D) (-∞, 1] U [5, ∞0) (B) R 41. Identify the true statement about the given polynomial. f (x) = -8x® – 5.x7 – 4x6 + 2x³ + 5x³ + 7 (A) Number of terms means there at most 6 turning points. (B) Degree means that there are a maximum of 8 zeros. (C) Constant means there are 7 complex zeros. (D) Lead coefficient mans there are exactly 8 maximums.
ChapterP: Prerequisites
SectionP.4: Factoring Polynomials
Problem 84E: The rate of change of an autocatalytic chemical reaction is kQxkx2 where Q is the amount of the...
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![38. Find the intercepts of f(x) = -x² + 4.x + 12.
%3D
(A) x-intercepts: {-3,5} and y-intercept 12
(B) x-intercepts: {-2,6} and y-intercept -12
(C) x-intercepts: {-3,5} and y-intercept –12
(D) x-intercepts: {-2,6} and y-intercept 12
39. Which of the following functions is graphed below?
-6
-20
-40
(A) ƒ(x) = –2 (x + 1)² + 5
(B) f(x) = 2(x + 1)² – 5
(C) f(x) = 2 (x – 1)² – 5
(D) ƒ(x) = -2(x – 1)² + 5
%3D
-
40. Solve the inequality x2 – 4x – 5 > 0.
(A) (-∞, –5] U [1, 00)
(C) (-∞, – 1] U [5, 0)
(D) (-∞, 1] U [5, ∞0)
(B) R
41. Identify the true statement about the given polynomial.
f (x) = -8x® – 5.x7 – 4x6 + 2x³ + 5x³ + 7
(A) Number of terms means there at most 6 turning points.
(B) Degree means that there are a maximum of 8 zeros.
(C) Constant means there are 7 complex zeros.
(D) Lead coefficient mans there are exactly 8 maximums.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe59b0410-2ee9-416e-bc22-db39dd7429ca%2F895e0605-dd81-4197-b6a8-8f8da721f715%2Ft9s99a3.jpeg&w=3840&q=75)
Transcribed Image Text:38. Find the intercepts of f(x) = -x² + 4.x + 12.
%3D
(A) x-intercepts: {-3,5} and y-intercept 12
(B) x-intercepts: {-2,6} and y-intercept -12
(C) x-intercepts: {-3,5} and y-intercept –12
(D) x-intercepts: {-2,6} and y-intercept 12
39. Which of the following functions is graphed below?
-6
-20
-40
(A) ƒ(x) = –2 (x + 1)² + 5
(B) f(x) = 2(x + 1)² – 5
(C) f(x) = 2 (x – 1)² – 5
(D) ƒ(x) = -2(x – 1)² + 5
%3D
-
40. Solve the inequality x2 – 4x – 5 > 0.
(A) (-∞, –5] U [1, 00)
(C) (-∞, – 1] U [5, 0)
(D) (-∞, 1] U [5, ∞0)
(B) R
41. Identify the true statement about the given polynomial.
f (x) = -8x® – 5.x7 – 4x6 + 2x³ + 5x³ + 7
(A) Number of terms means there at most 6 turning points.
(B) Degree means that there are a maximum of 8 zeros.
(C) Constant means there are 7 complex zeros.
(D) Lead coefficient mans there are exactly 8 maximums.
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