Which describes the difference between the graph of f(x) = 3x2 + 2 and g(x) = 9x2?

1 answer:

4 0

First we must graph both of these equations. We can use a graphing calculator to enter each equation, and note the differences between both. After graphing both of these equations, we find that the answer is B, the graph of f(x) is obtained by shifting g(x) up 2 units and compressing vertically by a factor of 3.

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In ∆ABC, m∠ACB = 90°, m∠A = 40°, and D ∈ AB such that CD is perpendicular to side AB. Find m∠DBC and m∠BCD.

podryga [215]

Answer: ∠B = 50°

∠BCD = 40°

Step-by-step explanation:

ACB is a right triangle where ∠A = 40° and ∠C = 90°.

Use the Triangle Sum Theorem for ΔABC to find ∠B:

∠A + ∠B + ∠C = 180°

40° + ∠B + 90° = 180°

∠B + 130° = 180°

∠B = 50°

BCD is a right triangle where ∠B = 50° and ∠D = 90°.

Use the Triangle Sum Theorem for ΔBCD to find ∠C:

∠B + ∠C + ∠D = 180°

50° + ∠C + 90° = 180°

∠C + 140° = 180°

∠C = 40°

8 0

3 years ago

Help!! Number 39 please

antiseptic1488 [7]

Keep in mind you would need a total of 120 ounces.
A: Corn cereal comes in 12 oz boxes and the person used 5 boxes, thus taking 60 oz away from the total, leaving 60 oz. Next, you’d have to divide 60 oz by 4 (since that’s how many boxes of wheat cereal were used). Resulting in a wheat box being worth 15 ounces!!
B: 12c+ 15w= 120 (c= corn cereal, w= wheat cereal)
C: 5 boxes of corn cereal with 4 boxes of wheat cereal; 0 boxes of corn cereal with 8 boxes of wheat cereal; 10 boxes of corn cereal with 0 boxes of wheat cereal.

8 0

3 years ago

Read 2 more answers

Find the value of the expression s + 12.92 for s = 4.

mixer [17]

Answer:

16.92

Step-by-step explanation:

4 + 12.92 =

16.92

6 0

2 years ago