What is the vertex of the graph of f(x) = x2 - 8x + 7?
A. (4, 23)
B. (-4, -23)
C. (4, -9)
D. (-4, -9)
A rectangular pen is to be made of 420 m of fencing with a partition parallel to the ends. What is the maximum area possible?
A. 14,700 m2
B. 7350 m2
C. 11,025 m2
D. 9150 m2
A. Option A
B. Option B
C. Option C
D. Option D
Which of these statements is/are true for an exponential function?
a ) Its graph increases as it goes to the right.
b ) It has a variable in the exponent.
c ) It is the inverse of a logarithmic function.
d ) The base may be negative.
e ) The exponent may be negative.
A. b, c, e
B. b, e
C. a, b
D. a, c, d
Which piecewise function below matches the attached graph?
A. d
B. a
C. b
D. c
Of the six basic trigonometric function graphs, which two do not show asymptotes?
A. sine and cosine
B. sine and secant
C. tangent and cotangent
D. cosine and cotangent
A. Option A
B. Option B
C. Option C
D. Option D
A. Option A
B. Option B
C. Option C
D. Option D
A. Option A
B. Option B
C. Option C
D. Option D
A. Option A
B. Option B
C. Option C
D. Option D
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