Answer the question.How can the graph of f(x) = -4
+ 7 be obtained from the graph of y = 
?
A. Stretch it vertically by a factor of 4. Reflect it across the x-axis. Shift it vertically 7 units upward.
B. Shrink it vertically by a factor of 
. Reflect it across the x-axis. Shift it vertically 7 units downward.
C. Stretch it vertically by a factor of 4. Reflect it across the x-axis. Shift it 7 units horizontally to the right.
D. Stretch it vertically by a factor of 4. Reflect it across the y-axis. Shift it 7 units horizontally to the left.
Answer: A
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Without using the trigonometric function keys, use a calculator and the given trigonometric values to find the indicated value. Round to four decimal places.Given:sin 68° = 0.9272cos 68° = 0.3746tan 68° = 2.4751Find sec 292°.
A. -0.9272 B. 1.0785 C. -1.0785 D. 0.3746
The graph of a function f is given. Use the graph to answer the question.Use the graph of f given below to find f(20).
A. 0 B. 20 C. 30 D. -40
Find the standard form of the equation of a circle that satisfies the given conditions.Center at (-1, 0); radius 12
A. (x - 1)2 + y2 = 144 B. x2 + (y - 1)2 = 12 C. (x + 1)2 + y2 = 144 D. x2 + (y + 1)2 = 12
Solve the equation.y - 4 = -4
A. y = 8 B. y = 0 C. y = -8 D. y = 4